MULTI-GNSS SUPPORT

Access multiple global navigation satellite systems (GPS and GLONASS) to track in more challenging environments than GPS alone.

ABC SENSORS

Navigate every trail with ABC sensors, including an altimeter for elevation data, barometer to monitor weather and 3-axis electronic compass.

BIRDSEYE SATELLITE IMAGERY

Download high-resolution, photo-realistic maps directly to your device without an annual subscription. Easily find trails, pick stand locations, find parking, create waypoints and more.

PRELOADED TOPOACTIVE AUSTRALIA AND NEW ZEALAND MAPS

Preloaded TopoActive Europe maps show you summits, parks, coastlines, rivers, lakes and geographical points.

TWO-WAY MESSAGING

Exchange text messages with loved ones or friends, post to social media, or communicate from inReach to inReach in the field. Satellite subscription required.

INTERACTIVE SOS ALERTS

In case of emergency, trigger an interactive SOS message to GEOS, the Garmin-powered International Emergency Response Coordination Center (IERCC) with professional 24/7 global monitoring (Satellite subscription required).

LOCATION SHARING

Track your location, and share it with those at home or out in the field. They’ll be able to see your progress or ping your device for your GPS location and more. Satellite subscription required.

100% GLOBAL IRIDIUM® SATELLITE NETWORK

Instead of relying on mobile coverage, now your messages, SOS alerts and tracking are transferred via the global Iridium satellite network. Satellite subscription required.

OPTIONAL INREACH WEATHER

Use inReach connectivity to get detailed weather updates on GPSMAP 66i or a compatible device paired with the Garmin Explore™ app. Request weather forecasts for your current location, waypoints or destinations on your route.

ACTIVE WEATHER

When paired with your compatible smartphone you can get real-time forecast information and live weather radar, so you’re always aware of the surrounding conditions.

BUILT FOR ADVENTURE

This handheld is built to military standards for thermal, shock and water performance (MIL-STD-810), and it’s even compatible with night vision goggles.

LED FLASHLIGHT

The GPSMAP 66 series helps you keep gear to a minimum with a built-in LED flashlight that can be used as a beacon to signal for help.

GARMIN EXPLORE APP

Plan, review and sync waypoints, routes and tracks by using the Garmin Explore mobile app and website. You can even review completed activities while still in the field.

BATTERY LIFE

Turn on Expedition mode, and get up to 200 hours of battery life while using inReach technology. In the default tracking mode, you get up to 35 hours of battery life, and your device will save your location every 10 minutes.

Product Specifications