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A handheld GPS unit is your best bet to confidently navigate terrain far out of cell range. We bought 7 of the top ranked handheld GPS units available today and tested them all around the world to help you find the best one for your land-based needs. We took them across mountain passes and into deep ravines to test reception, handed them to newbies to test user-friendliness, and squinted at their screens in the bright light of mid-day to test display quality. Whether you want a simple GPS for the occasional backcountry hike or a device that is ready to see you through ambitious expeditions in remote corners of the world, our review has you covered.
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Review by:
Amber King and Chris McNamara
Last Updated:
Monday March 19, 2018
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Fast and easy to use Great reception Activity-specific profiles Bright, smartphone-like display Friends/fam can LiveTrack you Smartphone and weather notifications 10,000 waypoints Carabiner mount blocks the cable Active Weather uses smartphone data Devours alkaline batteries Not great in the cold or with gloves Spendy That wonderful touchscreen demands juice and refuses to respond to bulky gloves. The unit can freeze up in cold weather. Using lithium batteries can help. This unit is a pleasure to use whenever the weather isn't miserable, and you have room for extra batteries. Read the review: Garmin Oregon 700
Excellent reception Versatility, good at a variety of adventure Long battery life Helpful notifications via a smartphone connection Limited navigation interface and features Expensive Must have a service plan for messaging Typing is cumbersome The Explorer+ has far fewer navigation features, and a more limited interface than dedicated GPS models like the Garmin Montana 680 or Garmin Oregon 700 but works well for simple navigation and tracking. For those who want to go deep in the backcountry with a device that can be used for both messaging and navigation, the inReach Explorer+ is unparalleled. Read review: Garmin inReach Explorer+
Fantastic reception in thick coverage Affordable Large buttons Wireless data sharing Notifications from your smartphone Weak base map On the large side Non-rechargeable batteries On the downside, the 64s is a bulky unit. Our testers liked the GPS MAP 64s for colder, more extreme days but took the svelte 700 out on most bluebird days. Read review: Garmin GPS MAP 64s
Inexpensive Lightweight Easy to use Great screen quality Longest battery life Reliable push buttons No electronic compass Basemap is very limited Small screen Very little memory It's not the most tricked-out option, however. If you need more memory, better screen resolution, a compass, or a barometric altimeter, upgrade to the Garmin eTrex 30x. Read review: Garmin eTrex 20x
Superb reception Large, dual-orientation display Best for sat imagery 8 Megapixel camera Wireless communication Electric compass Heavy Large Spendy That's the good. The bad is — the Montana 680's reception edge doesn't seem worth the high price tag for most applications. The unit's size and hefty weight also give us pause. Ounces count in the backcountry, and this unit has you hauling around 10.3 of them. Without communication options that hybrids like the Map 64s provide, it just doesn't seem worth it. Read review: Garmin Montana 680
Display Size: 1.4 x 1.7 in | Touchscreen: No Excellent Value Compact and lightweight Simple, reliable buttons 25 hours of battery Screen is small No color display Not as accurate as Oregon The least expensive GPS unit on the list, the eTrex 10 earns its keep by letting you skip a navigation App and leave your iPhone tucked safely away. A long-time standard in the industry, the 10 has gained a worldwide base map and paperless geocaching over the years but maintained its straightforward functionality. Its lack of whosits and whatsits keep operations streamlined. The 25-hours of battery life is a nice plus. Both the eTrex 10 and 20units have the same long battery life. They're also compact and supremely packable. Choosing the eTrex 10 over the 20 will save you $90 but cost you a color display and expandable memory. The small screen is less pleasant to squint at than more expansive, and expensive, versions. Read review: Garmin eTrex 10
Display Size: 1.5 x 2.5 in | Touchscreen: Yes, dual orientation Great menu, similar to the Oregon 700 Built-in WiFi, Smartphone Notifications Mapping options for cities or waterways 10,000 waypoints Comes with a rechargeable NiMH pack Overkill for most users Active Weather uses smartphone data Flashlight and camera, cool, but iPhone Expensive Why the t? — Garmin GPS units without a t do not have useful maps, you have to buy or source those separately. The t versions of Garmin units are preloaded with U.S. 100k topo maps and run about $50 more than non-t versions. Downloading those same maps after the fact costs around $60. While 1:100,000k topos are okay for general navigation, they aren't very useful in steep terrain. Garmin's map sales page has many more detailed and activity specific options, including 1:24,000 maps that offer turn-by-turn instructions on roads or trails. If you choose to buy maps from a manufacturer or source then online, we recommend the 24k scale. Analysis and Test ResultsWe test these handheld GPS devices while hiking, skiing, mountaineering, kayaking, mountain biking, mapping plant populations, and more over the course of years. We mark and navigate to waypoints, compare map drawing speed, and test the compass against our trusty old, magnetic standby. We've logged hundreds of miles on foot in Colorado, Washington, Utah, and Alaska. More than a dozen people who range from GPS experts to complete novices used these units and provided feedback. What's a GPS?Handheld Global Positioning System (GPS) units log and store spatial data while you adventure in the backcountry. They are built to withstand harsh weather while helping you determine where you are and where you've been. High performing devices come with extra features like cameras and topo maps, while low performing devices keep it simple. Before buying your next GPS, consider if you need one, what you intend to use it for, and how much you're willing to spend. Do You Need One?On the most basic level, GPS devices display your position relative to your destination. A GPS can help you find yourself on a map and navigate if you're disoriented or if conditions deteriorate. Bad weather, reduced visibility, washed out trails, and poorly marked trails can all throw you off your intended route and make trail finding difficult. A GPS also mark and store location-based information, like a trailhead. Mountain guides use the tracks function to mark routes. Some guides also share safe climbing routes with other expeditions. Find other great uses for your GPS here. A Navigation App versus a Handheld GPS?Of course, an app-enabled smartphone can also do these things — and call for help. Why carry something else? Answer: Dedicated handheld GPS units are burlier, have better satellite reception, more powerful navigation features, better battery life than smartphones with GPS applications. You can also replace the batteries in the field. Still, apps like Gaia, Avenza, or Topo Maps can quickly find your location on established trails before resuming map navigation. GPS units are best if you need to track your movements all day. See our article on how to load GPS files on your phone, which includes App recommendations. Don't forget to download maps before leaving cell or wifi signals behind. Can a GPS replace a map and compass?No. We strongly recommend carrying a map and compass when in unfamiliar terrain. Maps don't run out of batteries or break if accidentally dropped off a cliff. They're a fail-safe backup to any electronic device. What to Consider When Buying a Handheld GPSAnswering a few questions will rapidly narrow the GPS field, helping you find the right unit.
After you figure that out, you can start thinking about all the bells and whistles. We call those features. The more you get, the more you pay. Here's a summary of the most important features: Reception QualityMost modern GPS units are incredibly accurate, pinpointing the device's location to at least 10-meters. Units that use the Wide Area Augmentation System (WAAS) are accurate to 3-meters or less, according to Garmin. All the devices we tested use WAAS. To get even more accuracy, you can buy a differential beacon receiver and antenna to use a distance correcting Differential GPS (DGPS).Modern smartphones offer GPS accuracy of around 4.9 meters, according to GPS.gov. Tall buildings, canyons, and trees interrupt satellite signals, slowing them down and making your device less accurate. Clouds and weather don't affect reception. It's best to carry your device outside your pack or in a light waterproof layer to give it the best access to satellites. Maps — Should you Buy Preloaded?GPS units come with a very rudimentary basic base map. You can see roads on them, and that's about it. As we mentioned above, you can buy a GPS unit preloaded with topo maps, or buy them separately after the fact. You can also download maps and satellite imagery for free and transfer them to your unit. A good source for free maps is the GPS File Depot. The United States Geological Survey has a wealth of free spatial data. Most U.S. states also have a website that houses spatial data. If you want the best maps, often for free, spend some time tinkering with ree data. If you want fast and straightforward map access, you can get them for around $100 from your GPS manufacturer. The U.S. National Agricultural Imagery Program (NAIP) shoots high quality, free satellite imagery (aerial photos stitched together) for the entire continental U.S. You can also buy satellite imagery. Often it's unnecessary because you can plan your routes in Google Earth and then send files to your mapping software and device. Satellite imagery is hard to see on most GPS units and is rarely necessary for the backcountry. Mapping SoftwareEach GPS manufacture offers software designed to organize, analyze and project the waypoints and tracks you collect with your GPS. Garmin's Basecamp is our favorite. It's simple, intuitive, cross-platform, and provides everything a basic GPS user needs. For example, you can easily display waypoints or tracks in Google Earth, a feature no other manufacturer we've tested supports. How Many Waypoints Do You Need?You don't need that many waypoints to get you through a trip, even a pretty long one. We've never needed more than 1,000, the minimum number on the units we tested, at one time. They're also easy to delete after you're done. If, however, you plan on holding on to waypoints from multiple trips, conducting involved science surveys, or embarking on a mapping mission — you might want to aim high. You can also get a microSD card to expand your GPS's memory. GeocachingGeocaching is a cult sport that uses a GPS or phone app to hunt down treasures hidden in random locations across the globe. We recommend an App for this one since any geocaches aren't too far afield. But many GPS units offer preloaded geocaches to get you started right away. These make sense for the geocacher that also revels in longer backcountry mission. Electronic or Differential CompassThe cut-off point between basic units and more powerful ones is usually the electronic compass. It displays your heading while held in place. In contrast, you have to be moving for a differential compass to work. For some, this is a great advantage — say during a whiteout next to a cliff edge. Many mountain guides prefer an electronic compass because it makes navigating faster and easier. Does that mean everybody needs it? No. Do You Need a Barometric AltimeterAnother feature that separates high and low-performance devices is a barometric altimeter, which makes calculating altitude more accurate. Locking on four or more satellites will allow any GPS to guess at your altitude. A barometer's air pressure information makes this guess a lot more accurate. You can also use these altimeters to track weather patterns. This is especially useful if you are in the backcountry without access to a weather forecast. Media OptionsA camera, microphone, and voice recorder are nice add-ons to fully document adventures or field data. You can use these media options to mark a waypoint instead of typing one. We loved this option when looking back at our adventures. Photos also help keep you on trail when following a track. This is especially helpful for outdoor guides or scientific surveys. In general, it's a great way to keep photos or voice memos and waypoints in one place. Share Wirelessly and Smart NotificationsHigh performing GPS devices are able to share wirelessly. These devices come equipped with Bluetooth technology. With a compatible receiver, you can quickly send track and waypoint files to another device wire free. Our main tester mentioned this is especially helpful if you have another group that is about to embark on the same route you just finished. In a matter of minutes, you can sync up devices and share your route. We would recommend this for users intending to share track information with others. Another great feature is smart notifications. You can sync your smartphone to your GPS and receive text messages or social media updates on the unit. If you don't want to take your phone out of the backpack while staying connected, this may be an option for you. How Do GPS Units Work?Currently, 1,200 satellites are orbiting Earth. These satellites belong to a variety of countries and government sectors. In North America, we receive signals from satellites managed by the U.S. Department of Defense. Higher performance units utilize satellite data from both the USA and other countries with private networks. These satellites transmit timing and positional data. A GPS receiver can triangulate your location after it receives a signal from at least four satellites. Units with higher accuracy can pick up transmitted data from more satellites. The most accurate units we tested include the Garmin Montana 680 and the Garmin GPS MAP 64s. These units had recorded accuracy within 10 feet, which is awesome for a handheld. Trimble GPS units are more accurate (and more expensive) putting you within an inch of your actual position. Satellite NetworksThe units we tested employ two satellite networks. The USA manages the Global Positioning Satellite (GPS) network while Russia manages the Globalnaya Navigazionnaya Sputnikovaya Sistema (GLONASS) network. The GPS network accesses 32 satellites while GLONASS contributes 24 additional satellites. All handhelds also use the WAAS (Wide Area Augmentation System) to increase accuracy. Satellites send signals to WAAS master stations on the ground. This message is then relayed to compatible receivers (like GPS units) to provide a much more accurate estimate of location. GPS units that use GLONASS, GPS and WAAS have the best reception. Handheld GPS versus Other GPS Unit TypesWe tested Handheld GPS Units. They mark waypoints, track your route, make notes, geocache, pull up altitude profiles, and more. Small enough to wear around your neck or stash in your backpack, they are popular for on-land navigating needs. Here are a few other types of GPS Units. Many GPS units have programmable profiles for recreational use. If you spend time on the water, program it for nautical navigation. If you prefer to hike, choose a hiker's profile instead. We've also included a Two-way Communication System entry, with the Garmin inReach Explorer+. These handheld GPS devices are compatible with two-way satellite communication systems for remote areas with no cell reception. They're handy for long excursions when you need an emergency contact device. We also have a full review of these devices for your perusing pleasure. There are a variety of GPS watches and altimeters that can log backcountry travel information. These GPS Watches are popular among trail runners, mountain guides, hikers, and backpackers. They are a great alternative to handheld units if you're looking to go light, but have a much shorter battery life and a small display. ConclusionGPS units are great when you need them, but they aren't cheap. A smartphone can get you by until you're heading out on a multi-day backcountry trip guided by a map and compass. If you get to that point, you might as well throw down. —
Amber King and Chris McNamara
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