Show Description

Reliability and ease of use made the first generation eTrex® GPS units a hit with outdoor users of every kind. The eTrex 20 keeps those good qualities and adds more. It's an affordable unit you can use hiking, paddling, driving or geocaching.

  • High-sensitivity, WAAS-enabled GPS receiver.
  • HotFix® satellite prediction for quick acquisition and good signal lock, even through heavy cover, deep canyons, and tall buildings.
  • 2.2-inch 65k color, sunlight readable display.
  • Built-in worldwide basemap.
  • Accepts free BaseCamp™ download to plan and manage trips, routes, tracks, and waypoints and transfer them between your computer and the GPS.
  • View 24K and 100K topo maps in 2-D or 3-D renderings.
  • Track Draw lets you trace a fluid track and get an immediate elevation profile to determine the vertical gain a hike or climb involves.
  • 1.7GB internal memory and a microSD slot to add maps, including CD topo maps for the trail, BlueChart® g2 preloaded cards for paddling, or City Navigator® maps for turn-by-turn routing on the road.

Tech specs

Show Tech specs
Ideal for
  • Alpine climbing and mountaineering
  • Backcountry skiing
Display dimensions 4.4 x 3.5cm
IPX rating

Indicates the degree of protection against liquid. IP X1: Dripping water while in normal operating orientation; IP X4: Splashing water; IP X5: Water jets; IP X6: Powerful water jets; IP X7: Immersion up to 1m ≤ 30 minutes; IP X8: Suitable for submersion as specified by manufacturer.

Built-in memory 1.7GB
Dimensions 10.3 x 5.4 x 3.3cm
Electronic compass

An electronic compass allows the user to view their heading in situations where they are either standing still or moving too slowly for the GPS to detect.


Waypoints consist of a standard set of coordinates (two for land, three for air or space) that identify a specific physical location. A route is navigated between two or more waypoints.

Display type Transflective colour TFT
Interface USB
Unit to unit transfer

Shares data wirelessly between compatible units.


A basic set of map data that is included with the GPS. Basemap detail may vary from unit to unit.

Area calculation Yes
Track log 10,000 points, 200 saved tracks
Tide tables Yes
Data card microSD card (not included)
Garmin Connect

An online community where members upload, analyze and share activity data.

Add maps capability

These units allow you to add maps, so you can mark and name waypoints and create routes on your PC, and then upload the map of your choice to your GPS.

Touch screen No
Barometric altimeter

Barometer function helps forecast weather trends. An altimeter can provide one line of position for location on a topo map, useful if the GPS isn't working.

Floats No
Batteries 2 AA (not included)
Routes 200
Battery life 25 h
Chest strap Not compatible
Custom POI

A POI (point of interest) is a specific location that someone may find interesting (i.e., favourite viewpoint, best coffee stop before the trailhead). The custom POI feature allows the user to load only the POI's that interest them onto their GPS unit.

Made in Taiwan