NavGPS

Every map, one app. Top-Nav brings topo maps, trail navigation, weather, marine charts, family location sharing and vehicle data together, so you can plan, explore and stay connected without leaving the map. MAP LAYERS: STACK WHAT YOU NEED USGS Topo maps High-resolution satellite imagery OpenStreetMap vector maps Street maps Terrain shading and slope angle, for backcountry and avalanche-aware planning Streams and rivers overlay Watershed boundaries Live weather radar and weather data Tides NOAA