Garmin/eTrex 20

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eTrex® 20

GPS unit: Garmin eTrex® 20

  • 199€ / $199.99 / £169.99
  • Website: official link Produktseite
  • outdoor navigator (Navigation: direction;routing)
  • CPU:? (OS: ?), Flash:1.7GB (external: microSD™ card)
  • GPS: 12 channels, ( , ? )
  • Display: 2.2" 65K color TFT, Connectivity: usb
  • Internal: USB cable Batteries: 2xAA
Addresses POIs
Yes check.svg Mass Storage mode Yes check.svg Waterproof

Notes: discontinued

General description

Garmin eTrex 20 is a handheld GPS device. It has color display, supports loadable maps and runs on 2 AA batteries. eTrex 20 supports both GPS and GLONASS. It has 1.7GB built-in storage and accepts micro SDHC/XC cards at least up to 64GB.

specification despcription
Display transflective, 65-K color TFT (176 x 220 pixels / 65K color)
Display size 1.4" x 1.7" (3.5 x 4.4 cm); 2.2" diag (5.6 cm)
Interface USB
Slot microSD™ card
Dimensions (W x H x D) 2.1" x 4.0" x 1.3" (5.4 x 10.3 x 3.3 cm)
Weight 5 oz (141.7 g) with batteries
Battery 2 x AA / 25 hours
Ships with eTrex® 20, USB cable & Quickstart Guide

Traces and waypoints

The current trace is written to the internal file /Garmin/GPX/Current/Current.gpx. Saved traces and waypoints can be found in /Garmin/GPX/.


The latest Firmware (4.20, as of January 21, 2015) can be found on Updates & Downloads.

Viewing and exporting data from device

You can use the Garmin Connect website to view your tracks on an OSM map.

Mac OS X

You can use BaseCamp for Mac to view and export data from your device.

Adding new maps

To add new maps to your eTrex 20 use


  • eTrex® 20 - specifications