At a glance

Price bands, not prices

WatchVerdictWho it suitsThe catchPrice band and link
COROS APEX 4Our pickBest for hiking with mapsHikers and backpackers who navigate for a day or more between charges and want that battery in a light watchWon't reroute you, and its turn alerts misfire on some imported routesUnder $500View on Amazon (opens in a new tab)
COROS PACE 4BuyBest under $250 for day hikes with mapsDay hikers on a budget whose hikes finish before darkMaps arrived by update on September 26, 2026, on a small screen with 4 GB of storageUnder $250View on Amazon (opens in a new tab)
Amazfit T-Rex 3 ProBuyBest for maps that reroute you on a slim wristHikers with the smallest wrists, or a tighter budget than a Forerunner 970, who want the watch to find a new way backNo lab has measured its battery while navigatingUnder $400View on Amazon (opens in a new tab)
Suunto Vertical 2BuyBest bright screen for long trail daysHikers with average or larger wrists who start before dawn and finish after darkHeavy at 3.0 oz in steel, one size onlyUnder $600View on Amazon (opens in a new tab)
Garmin Forerunner 970BuyBest for Garmin's routable mapsHikers who want maps that recalculate, ClimbPro and a real flashlightBattery suits two days on the trail better than threeUnder $800View on Amazon (opens in a new tab)
Amazfit Active MaxSkipSkip it for navigating under treesNot for hikers who navigate wooded trails and switchbacks; road runners on a hard budget are a different buyer, and our budget pages pick it for themSingle-band GPS that testers split on, and map navigation one long-term tester found needlessly complicatedUnder $200
Garmin Enduro 4WaitNew: wait for a full battery testMulti-day hikers who want Garmin's routable maps and the fewest chargesOnly one independent test so far, and its hours are extrapolatedUnder $900
Garmin fēnix 9 – 47 mmWaitNew: wait for a test of the base modelBuyers who want Garmin's routable maps on a bright AMOLED flagshipEvery test so far is on the Pro modelsUnder $1,000
Garmin fēnix 9 Pro – inReach, 47 mmWaitNew: satellite SOS from the wristSolo hikers who want to call for help with no phone and no cell signalNeeds a paid inReach plan, and this exact version is untestedUnder $1,200
Apple Watch Ultra 4WaitNew: for iPhone hikers, waitiPhone owners who want one watch for the trail and daily lifeNavigation is shallower than a Garmin's, and a day of standard GPS, not threeUnder $800
COROS PACE 4 ProWaitNew: wait for the battery fixCOROS fans who want the biggest, brightest COROS screen for mapsMeasured GPS battery well under COROS's claim until a promised fix shipsUnder $450

A watch that "has navigation" can mean a topo map with trail names. It can also mean a thin line on a black screen that leaves you guessing at every fork. Milewright's pick for hiking with maps is the COROS APEX 4 (46mm). Its topo maps are free and cover the world. Its battery was measured on a long mountain day with dual-frequency GPS and the map running. That pace projects to a little over two full days of nonstop navigating. Spread across a three-day trek with nights off the clock, you need no charger. The catch is in following a route. It shows you the map but won't plan a new way when you leave the line. On some imported routes, its turn alerts buzz for turns that aren't there. Trust the screen over the buzz.

COROS APEX 4Under $500
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What changes the answer for a hiker

Maps or breadcrumbs. A breadcrumb watch draws your planned route as a bare line. There are no trails, no contours, no creek. That's fine for retracing your steps. At a three-way junction it's useless: DC Rainmaker found the breadcrumb-only Instinct 3 left him choosing by trial and error. Every pick below shows real topo. One watch switched sides this fall. The PACE 4 gained maps in COROS's September 26, 2026 update. Older reviews predate it, and the FAQ on COROS's own product page has yet to catch up.

Next, decide whether you want to be shown the way or steered. The COROS and Suunto watches show the map and your line. They warn you when you wander off it. The Forerunner 970 and T-Rex 3 Pro can also work out a new route on the watch.

Judge battery with the map up, not by the box figure. Navigation and map pages burn power the headline number doesn't count. Run your own trip through our GPS battery planner.

The right screen depends on where you hike. MIP, on the APEX 4, is always on and sharp in sun but dull in deep shade. AMOLED is bright everywhere and costs battery when left on. Our AMOLED vs MIP guide weighs the trade. None of the five picks can call for help by satellite. For that, see our satellite SOS guide.

The cheapest band, under $200, holds a tempting option. The Amazfit Active Max has free contour maps. But its single-band GPS logged one long-term tester's walk well short, and drifted off roads for another. That's the wrong habit on a wooded switchback. For trail navigation we'd skip it and spend one band up on the PACE 4. On open roads it stays the budget pick in our Active Max review.

COROS APEX 4 (46mm): best for hiking with maps

Our pick

Best for hiking with maps

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Price band: under $500

On paper COROS promises 41 hours with dual-frequency switched on. Nobody has run one flat on the trail, but the slice of a charge that was measured is encouraging. DC Rainmaker took it on a long mountain day with dual-frequency on and navigation running. It used about 2%/h. Kept up, that rate would leave the map glowing for more than forty-eight hours straight. Three ten-hour days would use a bit over half the battery. The maps are proper topo, with trails named and springs and summits marked, on 32 GB. Owners keep reporting they pan quickly, with no lag, even deep into long trips. It weighs 2.3 oz (64 g) with the stock silicone band, light enough to sleep in.

Its weak spot is following a loaded route. Treeline Review saw phantom or wrong-direction turn alerts on routes from Gaia GPS and the COROS app. Ride with GPS imports arrived with no turn alerts at all. The line on the map was right every time, though. On a planned hike that's an irritation, not a hazard, if you glance at the screen.

Our call: buy it. It's the watch for trips that run past a day between outlets, if you're happy to read a map rather than be steered by one. If the longest full rundown on record is all you care about, our GPS battery planner points you to the Suunto Vertical 2 instead. With the map up, though, the two burned battery at the same measured pace, and the APEX is the far lighter watch to wear for three days.

COROS APEX 4Under $500
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COROS PACE 4: best under $250 for day hikes with maps

Buy

Best under $250 for day hikes with maps

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Price band: under $250

Until September 26, 2026 this was a breadcrumb watch. That day's update brought the same free topo maps as COROS's pricier watches. The user guide now says so, even if the product page's FAQ hasn't been told. Around the maps sits a superb tracker. Every lab that tested its GPS found it very good to excellent on roads, trails and downtown streets. It weighs 1.1 oz (32 g) on nylon.

The catch is that the maps are brand new and squeezed. Nobody has reviewed the finished version, and the beta rotated slowly. The screen is a small 1.2 in. On one tester's watch, system files already filled more than half the 4 GB of storage. You'll download the region you're hiking, not the country. Battery suits a day, not a trek. The box figure is 31 hours with dual-frequency on, or 24 if you keep the display lit. In that always-lit setup, DC Rainmaker's own reading came to about 4%/h, before maps even arrived.

Our call: buy it if your hikes finish by dinner. It's also the watch we'd hand most runners, as our PACE 4 review explains.

COROS PACE 4Under $250
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Amazfit T-Rex 3 Pro (small case): best for maps that reroute you on a slim wrist

Buy

Best for maps that reroute you on a slim wrist

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Price band: under $400

This is the cheapest watch here that will plan a new way back when you take the wrong fork. Amazfit's free maps do turn-by-turn and point-of-interest search. They also reroute on the watch when you stray. Add dual-band GPS, a red and white LED flashlight and sapphire glass. It all fits in the smaller of its two sizes, a case 1.8 in (44.8 mm) across. That's the most hiking for the money on a slim wrist. The Quantified Scientist tested this exact size. His GPS tracks were consistent on repeated loops. On runs, its optical heart rate stayed within shouting distance of his chest strap.

The battery is where the evidence runs out. Amazfit's own page lists 26 hours of accurate GPS in one place and 29 in another. Where I worked, a supplier who sent two different numbers for one part got a phone call before he got an order. No lab has measured this size navigating. One owner ran navigation on both sizes. He found it drained fast, and the remaining-distance text was too small to read.

Our call: buy it if your wrist is slim and rerouting matters more than a third day. Plan it as a long-day watch. If your wrist is slim but not tiny, and you'd rather have Garmin's maps and measured battery than save a band, the Forerunner 970 below is the lighter AMOLED we send slim-wristed hikers to in our Suunto Vertical 2 review.

Amazfit T-Rex 3 ProUnder $400
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Suunto Vertical 2: best bright screen for long trail days

Buy

Best bright screen for long trail days

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Price band: under $600

AMOLED watches usually trade battery for brightness. This one barely trades at all. OutdoorGearLab ran it flat after 66 hours of continuous GPS in All Systems mode. That's the longest full rundown in our evidence, and why our GPS battery planner puts it first. DC Rainmaker took it on a long trail day with dual-frequency on. The screen and navigation ran the whole way. It used about 2%/h, the same pace as the APEX 4. So you get the APEX's endurance with a screen that stays readable under trees. The real LED flashlight earns its place on dawn starts and night descents. Suunto's free worldwide topo maps download over Wi-Fi while it charges.

The catch is on your wrist. It weighs 3.0 oz (85 g) in steel and is nearly 2 in (50 mm) across, in one size only. On a slim wrist it slides toward the wrist bone. One tester's heart rate read poorly until he moved it higher. Owners also find its maps less detailed than Garmin's. Like the COROS, it won't reroute you.

Our call: buy it if your wrist is average or larger and you hike in the dark. More in our Suunto Vertical 2 review.

Suunto Vertical 2Under $600
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Garmin Forerunner 970: best for Garmin's routable maps

Buy

Best for Garmin's routable maps

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Price band: under $800

This is the most map Garmin puts in a light watch. Its TopoActive maps recalculate when you miss a turn. ClimbPro counts down what's left of each climb. Around them you get a real white and red flashlight and a bright 1.4 in AMOLED, all in 2.0 oz (56 g). The manual lists Garmin's Outdoor Maps+ as a paid add-on. The TopoActive maps come free.

Battery is the trade. Garmin claims 21 hours of multi-band GPS. Tom's Guide's 10K at that setting burned 4.8%/hour, which projects to about 21 hours. At the lowest brightness on Garmin's automatic satellite mode, DC Rainmaker's navigated hike projected to about 30 hours. One owner backpacked 35 miles over six days and finished with 19% left. That's a two-day watch you can stretch to three with care. The APEX 4 is a three-day watch you don't think about. Testers and owners also agree the maps redraw slowly. You'll notice it at a junction and forget it between them.

Our call: buy it if you want maps that steer you and you also train hard on the road. It's our marathon and triathlon pick on the home page. See our Forerunner 970 review.

Garmin Forerunner 970Under $800
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New this year, and what we're watching

Five watches with maps have launched since September. None has enough testing on its exact model to win yet. One is worth waiting for.

Garmin Enduro 4

Wait

Price band: under $900

This is the one to watch for long trips. Garmin claims 60 hours of forced multi-band GPS without sun, and 90 with it. It adds routable maps, ClimbPro and a flashlight in 2.3 oz (66 g). The only independent test so far comes from Bautsch Sportstec. In its most accurate mode it used 1.4%/h on a walk and run, projecting to about 70 hours. With navigation running it used about 2%/h. The tester didn't say which GPS mode that was, so it can't be set squarely against the APEX 4's dual-frequency 2%/h. Nobody has run one flat. One early owner returned it because the MIP map was hard to read. Wait for a full test. If it holds up, it's the trek watch for anyone who wants Garmin's rerouting.

Garmin fēnix 9 (47 mm)

Wait

Price band: under $1,000

It brings routable maps, 64 GB and AMOLED. Garmin claims 25 hours forced multi-band and 30 on the automatic mode. Every test so far is on Pro models. The only base-model result came from a fēnix 9 whose case size the tester didn't give. It was far slower than a Pro at building a long route on the watch. Wait for a test of this exact watch.

Garmin fēnix 9 Pro inReach (47 mm)

Wait

Price band: under $1,200

It's the only watch here that can send satellite texts, not just an SOS, straight from your wrist with no phone anywhere. Coverage is the continental US. It needs a paid inReach plan. Garmin's own table halves its GPS time, from 32 hours to 16, when LiveTrack streams over the watch's LTE. This exact 47 mm AMOLED version is untested. Wait, and start with our satellite SOS guide.

Apple Watch Ultra 4

Wait

Price band: under $800

It works with iPhone only. Offline maps sync from the phone, and Backtrack retraces your steps. DC Rainmaker finds its navigation shallower than a fēnix's. His workouts projected to about 18.6 hours of standard GPS: a day on the trail, not three. Wait.

COROS PACE 4 Pro

Wait

Price band: under $450

It has a bigger 1.47 in screen with 32 GB of maps. One owner of both says it shows trail detail better than his APEX 4. But its battery falls well short. DC Rainmaker's dual-frequency, always-on runs projected under 20 hours, against COROS's own 30-hour claim for that setting. COROS has owned up to software faults behind the drain and says a fix lands this month. Its release notes showed nothing new as of October 30. Wait for the fix.

How the picks were decided

We set each maker's promise against what testers and owners measured on the exact model. One number counted above the rest: battery used with the map running. A watch needed two independent kinds of evidence on its own variant to win.

Does it show a real map, or just a line?

All five picks show topo maps with trails. The Instinct 3 AMOLED shows only a breadcrumb line, so it's out. Check the date on any review you read. The PACE 4's maps are weeks old.

How much battery does navigation really burn?

The APEX 4 and Vertical 2 both used about 2%/h. The same tester measured both on long mountain days with dual-frequency and the map up. The Forerunner 970 projects to about 30 hours at its thriftiest settings, a faster burn. No lab has measured the T-Rex 3 Pro navigating, and the one owner who tried it on both sizes saw the battery fall fast.

Will it last a three-day trek with no charger?

The APEX 4 and Vertical 2 will, with margin. The Forerunner 970 will if you run it at low brightness on Garmin's automatic mode. The PACE 4 and T-Rex 3 Pro are day watches with a stretch.

Can I bring my routes from Gaia GPS, Komoot or Strava?

Yes, but check the turn alerts. The APEX 4 draws imported lines accurately, while its alerts can misfire. Suunto takes routes from Komoot or a GPX file. One iPhone owner couldn't send an offline GPX to the watch, though, and returned it.

The picks side by side

WatchMapsReroutes you?Battery while navigatingBest for
COROS APEX 4 (46mm)View on Amazon (opens in a new tab)Topo, trail namesNoAbout 2%/h measured, a little over two days nonstopThree-day treks
COROS PACE 4View on Amazon (opens in a new tab)Topo, since September 26, 2026NoAbout 4%/h measured, screen always on, before mapsDay hikes on a budget
Amazfit T-Rex 3 Pro (small case)View on Amazon (opens in a new tab)Base, contour, skiYesNot measured by a labSlim wrists, rerouting
Suunto Vertical 2View on Amazon (opens in a new tab)Free worldwide topoNoAbout 2%/h measured, a little over two days nonstopBright screen, night hiking
Garmin Forerunner 970View on Amazon (opens in a new tab)TopoActive, routableYesProjects to about 30 h at lowest brightnessGarmin's maps and flashlight

Our pick: the COROS APEX 4 (46mm)

Our pick

Best for hiking with maps

Most watches with "maps" make you choose between a screen worth reading and a battery worth trusting. The APEX 4 gives you both. You get a real topo map and enough charge to walk out on day three still navigating. And you'll forget you're wearing it. Buy the one that shows you the mountain and still has battery at the trailhead.

COROS APEX 4Under $500
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The evidence in full

44 sources

Battery while navigating, tester by tester

Watch (exact variant)Maker's claimWhat was measuredWho, and howKind
COROS APEX 4 (46mm)41 h dual-frequency; 53 h All Systems; 65 h EnduranceAbout 2%/h, a little over two days nonstopDC Rainmaker, long mountain hike, dual-frequency, navigation on, October 2025 firmwareProjection
COROS APEX 4 (46mm)24 days daily wear12 days running almost daily, still at 34%Tom's GuidePartial
Suunto Vertical 2No All Systems claim in our evidence (the 65 h claim is multi-band Performance)66 h continuous GPS, All Systems modeOutdoorGearLabRundown
Suunto Vertical 265 h multi-band (Performance)About 2%/h, a little over two days nonstop; nobody has run one down in multi-bandDC Rainmaker, long trail run and hike, dual-frequency, always-on, navigationProjection
Suunto Vertical 265 h multi-band (Performance)14% used on a 4-hour hikeOne Reddit owner, Performance mode, always-on offOwner
Garmin Forerunner 97021 h multi-band; 26 h GPS-only4.8%/hour, projects to about 21 hTom's Guide, 10K, multi-band, always-onProjection
Garmin Forerunner 970SameProjects to about 30 hDC Rainmaker, short hike, lowest brightness, route plus ClimbPro, SatIQ, LiveTrack, launch firmware (June 2025)Projection
Garmin Forerunner 970Same35 mi plus six days of wear, 19% leftOne Reddit owner, SatIQ, display unstatedOwner
COROS PACE 431 h dual-frequency (24 h always-on)About 4%/hDC Rainmaker, Max GPS, always-on, launch firmware, before mapsProjection
Amazfit T-Rex 3 Pro (small case)26 h or 29 h accurate GPS (both on Amazfit's page); 60 h long-battery modeNo lab figure; one owner of both sizes says navigation drains fastReddit ownerOwner
Garmin Enduro 460 h forced multi-band (90 h with solar)1.4%/h, projects to about 70 h; about 2%/h with navigation, GPS mode not statedBautsch Sportstec, one walk and run, solar not separatedProjection
COROS PACE 4 Pro30 h dual-frequency, always-onUnder 20 h projectedDC Rainmaker, Max GPS, always-onProjection
Apple Watch Ultra 418 h workout; 45 h Max ExtendedAbout 18.6 h projectedDC Rainmaker, a ride and a longer activityProjection

Where sources disagree, and why it doesn't change the call

  • APEX 4 track shape. DC Rainmaker found the recorded track turned to "connect the dots" with switchbacks smoothed away whenever a route was loaded; Tom's Guide, Believe in the Run and The Run Testers saw excellent tracks, mostly without navigation. No COROS release note through V3.2008.0 (September 26, 2026) names a fix. The map display and distance stayed right, so it stays the pick.
  • APEX 4 turn alerts. Treeline Review's phantom turns on Gaia GPS and COROS-app routes, and missing cues on Ride with GPS imports, against owners reporting no mapping problems on long trips. Owners judged the map; Treeline judged the alerts.
  • PACE 4 maps. "No offline maps" in Tom's Guide (November 2025), TechRadar and The Run Testers, and still on COROS's product FAQ, against the user guide and release notes since September 26, 2026. Explained by firmware.
  • Vertical 2 route capacity. DC Rainmaker fit only about 10 to 12 routes in September 2025; an owner in October 2026 says 100. Likely firmware.
  • Vertical 2 owner drain. One owner used 14% on a 4-hour hike with always-on off, a faster burn than DC Rainmaker's 2%/h with it on. Unexplained; a partial-charge reading or map scrolling are possible.
  • Vertical 2 multi-day recording. One owner notes there is no "resume later", so a multi-day hike needs separate recordings or a paused activity.
  • Forerunner 970 map speed. Slow for DC Rainmaker, Tom's Guide and three owners; one owner sees no lag.
  • T-Rex 3 Pro battery. Amazfit's page gives 26 h in its battery section and 29 h in its comparison table for the same mode on the smaller case. Open.

Every watch we weighed

WatchMapsStorageReroutes on the watchEvidence on this exact modelCall
COROS APEX 4 (46mm)Topo and landscape, trail names, points of interest32 GBNoLab battery with navigation, several labs on GPS, ownersBuy (winner)
COROS PACE 4Topo and landscape since September 26, 20264 GBNoLabs on GPS and battery; no review of finished mapsBuy
Amazfit T-Rex 3 Pro (small case)Base, contour, skiShared with music and appsYes (claimed)One lab on HR and GPS; ownersBuy
Suunto Vertical 2Free worldwide topo32 GBNo offline reroutingLab rundown and navigation pace, ownersBuy
Garmin Forerunner 970TopoActive road and trail32 GBYesLabs on battery and GPS, many ownersBuy
Garmin Enduro 4Routable64 GBYesOne independent testWait
Garmin fēnix 9 (47 mm)Routable64 GBYesPro models onlyWait
Garmin fēnix 9 Pro inReach (47 mm)Built-in, routable64 GBYesSiblings onlyWait
Apple Watch Ultra 4Offline maps via iPhone, Backtrack64 GBNot claimedLab battery and GPSWait
COROS PACE 4 ProTopo and landscape32 GBNoLab battery below claim, fix pendingWait
Amazfit Active MaxContour, terrain, ski, turn-by-turn4 GBNot statedLabs split on GPSSkip for trail navigation
Garmin Instinct 3 (45 mm, AMOLED)None: breadcrumbs only4 GBn/aLabs on battery and HRNot for this page
Samsung Galaxy Watch Ultra (2025, 47mm LTE)No topo maps in our evidence64 GBn/aNo test of the 2025 watchConsidered

Skip these, and also considered

  • Amazfit Active Max: skip it for navigating under trees, and buy the COROS PACE 4 one band up instead, for dual-band GPS and topo maps. The Active Max's maps are free and its battery long, but its GPS is single-band. Tom's Guide's long-term test logged one walk at 4.55 mi against Strava's 6.1 mi, T3 saw routes drift off roads, and Tom's Guide found map navigation needlessly complicated. What separates this page's reader is the wooded trail. The Run Testers' open-road runs matched flagships closely, so for road runners and open-trail weekend hikers on a hard budget it stays our pick on the home page. It's also the pick in our under $200 roundup, the roundup for the band above it, and our budget, beginners' and strength and running roundups, as well as its own Active Max review.
  • Garmin Instinct 3 (45 mm, AMOLED): breadcrumbs, not maps. A tough, buttons-only Garmin with a 23-hour multi-band claim, but no maps and no ClimbPro. If breadcrumbs on familiar trails will do, it's the Garmin pick on our under $500 page.
  • Samsung Galaxy Watch Ultra (2025, 47mm LTE), considered. Android only, with no topo maps in the evidence for this watch and no lab test of the 2025 version.

What we read

Research count for this page: 13 models weighed; 5 maker manuals among them; across this site's research, 367 sources kept in full; 148 Reddit threads read, kept as the reader's summary, not in full.

Sources

How we research

Milewright doesn't test watches. It sets each maker's claim against what labs, reviewers and owners measured on the exact same model, and tells you which number to believe.

How we research GPS watches