Topo Maps - USGS & OpenTopoMap

Explore the outdoors with powerful topo maps and seamless offline navigation. Switch between USGS Topo, Imagery, Hydro, and OpenTopoMap to get the perfect view of any terrain. Search for any location instantly, then explore detailed trail networks from OpenStreetMap via Waymarked Trails—including hiking, cycling, running, and skiing routes. Maps are cached automatically as you browse, so they’re available offline when you need them—no manual downloads required. Import GPX tracks and stay on course wherever you go. Built for explorers who go beyond coverage. Disclaimer: This app is not affiliated with or endorsed by the U.S. Geological Survey or the U.S. government.