Designed to be used on any adventure the garmin montana 610 gps offers accurate reliable and quick positioning coupled with a tailored user experience with a fully customisable interface system the montana 610 is streamlined and dynamic in its functionalityr r the montana 610 uses gps and glonass connectivity to provide reliable positioning on all terrains with a track manager system that allows for easy organisation and navigation through routes and waypointsr r the montana 610 is a dur