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Garmin Foretrex 401 Waterproof Hiking GPS

4.5 out of 5 stars 399 customer reviews
| 162 answered questions

Price: $148.58 & FREE Shipping. Details
In Stock.
Ships from and sold by Amazon.com. Gift-wrap available.
  • Features high-sensitivity GPS receiver with HotFix for improved performance and reception in heavy tree cover or deep canyons
  • Keeps track of routes, tracks and waypoints, and heart rate with add on heart rate monitor (sold separate). Uses standard AAA batteries. 2 required.
  • TracBack feature retraces user's path on the easy-to-read LCD display
  • Supports dual position readout so user can view current location in multiple formats
  • Features trip computer, sunrise/sunset times, hunting/fishing information, electronic compass and barometric altimeter
171 new 1 used from $149.99 5 refurbished from $139.95
$148.58 & FREE Shipping. Details In Stock. Ships from and sold by Amazon.com. Gift-wrap available.

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Technical Details

Color: Silver
  • GPS Capability
  • High-Sensitivity
  • Easy to Read Display
  • Timer
  • Barometric Altimeter
See more technical details

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Display Size 0.5 inches 2.2 inches 2.2 inches 2.6 inches
Bluetooth N Y Y N
Battery Average Life 17 Hours 25 Hours 25 Hours 20 Hours
Add to Cart Add to Cart Add to Cart Add to Cart

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Product Description

Color: Silver

The Foretrex 401 is a slim wrist-mounted GPS navigator perfect for outdoor activities that require the use of both hands. Foretrex 401 combines a high-sensitivity waterproof GPS receiver, electronic compass and barometric altimeter into a lightweight device ideal for hikers, skiers and campers. To share data easily, you can connect Foretrex to your computer with USB or just send data wirelessly to another device.

Retrace Your Steps

No matter where your adventure takes you, you'll never worry about getting lost with the Foretrex 401. Foretrex keeps track of your path and displays it as a dotted trail on the screen. Just turn on Foretrex's TracBack feature, and you can retrace your path back to where you started. Keep track of your bearing and altitude with Foretrex 401's electronic compass and barometric altimeter. You can save locations in memory as waypoints, so you always can find your way back to any important place, like your campsite or vehicle. And with up to 17 hours of battery life and replaceable AAA batteries, you'll never worry about making it back.

Track Your Data

Foretrex 401 lets you create and store routes to all of your favorite places and provides other helpful information, including a trip computer, sunrise/sunset times and hunting and fishing information. For even more data, connect Foretrex 401 to a wireless accessory, such as a heart rate monitor, cadence sensor, or clip it on your bike with the accessory bike mount. To keep track of your trip, connect your Foretrex to your PC or Mac with USB to store your waypoints, routes and tracks on your computer. You also can share waypoints, routes and tracks wirelessly with another Foretrex 401.

Get Connected

You've been busy exploring and now you want to store and analyze your activities. With a simple connection to your computer and the Internet, you can get a detailed analysis of your activities and send tracks to your outdoor device using Garmin Connect. This one-stop site offers an activity table and allows you to view your activities on a map using Google Earth. Explore other routes uploaded from more than 12 million customers and share your experiences on Twitter and Facebook. Getting started is easy, so get out there, explore, and share.

What's in the Box
  • Foretrex 401
  • Wrist expansion strap
  • USB cable
  • Manuals

Product Information

Product Dimensions 1.7 x 0.9 x 2.9 inches
Item Weight 3 ounces
Shipping Weight 9.1 ounces (View shipping rates and policies)
Manufacturer Garmin
Item model number 010-00777-00
National Stock Number 5825-01-579-5635
Batteries 1 Lithium ion batteries required. (included)
Customer Reviews
4.5 out of 5 stars 399 customer reviews

4.5 out of 5 stars
Best Sellers Rank #7 in Electronics > GPS & Navigation > Sports & Handheld GPS > Handheld GPS Units
#68 in Sports & Outdoors > Sports & Fitness > Hunting & Fishing > Hunting > Hunting Accessories
#615 in Sports & Outdoors > Sports & Fitness > Accessories
Date first available at Amazon.com January 12, 2004

Warranty & Support

Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.


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Customer Questions & Answers

Customer Reviews

Top Customer Reviews

Color: Silver Verified Purchase
I am currently deployed in Afghanistan and have used this GPS during my combat patrols for about two weeks now. I have found that it performs perfectly. It is easily configured for MGRS, the metric system, and the compass can be set for Mils which makes calling for polar fire missions very easy. I love the fact that I have a 10-digit grid on my wrist. It cuts down on weight, not having to lug a DAGR around, and as I am taking notes during Community Engagements I can grab the grid right off my wrist as I write. So far it has stood up to the insane temperature differences from day to night. It has stood up to the dust (which gets into EVERYTHING - and has ruined two of my digital cameras [including a so-called dust-proof one]) with flying colors. The batteries last about 8 hours and it takes AAAs which are easy to carry. You can easily beam waypoints from one GPS to another. Several guys in my platoon carry the same one which makes it very easy. I am looking forward to using this when I get home to track my runs. So far I have found nothing wrong with this to speak of. I would definitely recommend it for whatever purpose you would use it for. I haven't tested its water-proofness yet; however, it stands up to my sweat very well.
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After combing through reviews for a good hiking GPS, I couldn't decide whether to buy the Garmin Foretrex 301 or 401, so I bought both. The reason I bought the 301 was because I had read a review from someone saying that the barometer on the 401 wasn't accurate and that this person had returned the 401 for this reason and bought the 301 instead, which is the older version. The 301 has not barometer, just a GPS.

After buying the 301, I realized that it was absolutely useless to me because it didn't track elevation change, one of the most important things for hiking.

I have been very pleased with the 401. I find the barometer and the compass to be extremely accurate. You can set both for automatic calibration but I usually calibrate the compass before each use for optimal performance. It only takes a few seconds. I haven't really needed to calibrate the barometer.

The 401 tracks elevation and distance very well. I took it to the Catskills last weekend, where max elevation was 3700 ft and it was dead on. It has a lot of cool features and you can change the items it shows you on the screen to fit your needs. The main page has a little map of where you've gone, the second page has the compass and average speed (customizable), then you have the screen where it shows you elevation change over a certain number of miles, which is pretty cool; and lastly you can see specific stats like elevation gain, elevation loss, moving speed, average moving speed, current elevation, moving time, stopped time, actual time etc.

When you're done with a hike or walk, you upload the data to BaseCamp, Garmin's free software, and it shows you almost minute by minute data on what elevation you were at, what time it was, and you're moving speed.
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Color: Silver
Fantastic - buy one immediately. IMMEDIATELY!!

Much smaller than you may think - fantastic.

GPS speed -- super fast, fantastic.

Display and controls -- absolutely fantastic. As simple as they can possibly be, yet does every single thing you want. See your exact miles/yards walked, exact time (both moving, stopped, average, etc etc etc) and everything else from sunset time to height climbed or whatever.

Battery life, fantastic, 15 to 20 hours.

Works with computers PERFECTLY. If you have basic understanding of computers -- so for example you do know how to "Open A File" -- you will have a ball with this machine:

The 401 is simply a USB hard drive -- just connect it to your laptop using a normal compact USB cable. (They pointlessly give you a cable for free with the 401 package...like you don't have ten laying around already from your video camera, USB drives and everything else.)

So, simply plug in the 401 to your laptop. You will instantly see a file "Current.gpx" GPX is the label for GPS files.

Now, open the file -- so for example launch Google Earth and open your "Current.gpx" file in Google Earth. You will immediately see the track where you walked shown as a blue line on the Google Earth map!!

Or, look on the web for one of the awesome track measuring applets (eg at utrack dot crempa dot net) and get graphs, etc, of your speed and the like.

It literally could not be simpler -- nothing to install, no passwords, nothing.

Once again assuming you "know how to open a file" you will have no problem.

TIP: the 401 uselessly includes a digital COMPASS, as a freebie (much like the digital compass in say an iPhone).
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Color: Silver
I have not used this item extensively yet, but the setup process is quite simple. Im using this product for military purposes and finding which datum to put in was i a breeze (just read the manual) and i also verified. The 10 digit grid with a military map so i know it works. I really havent used any of the other features like the compass but ill update once i do. P.S. for ang other military grunts out there you'll want to set it to MGRS (military grid reference system) and for stateside use NAD27 CONUS (continental united states).
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