onX Backcountry: 3D Trail Maps

Offline Hiking & Biking GPS

Free · In‑App Purchases

Access the most reliable trail maps, so every call you make is the right one. Find new terrain, plan your route, and trust your maps to be there when your signal isn’t. Scout new terrain and navigate in-field maps with the most comprehensive, intuitive four-season backcountry App. Trusted by guides and heralded by pros, onX Backcountry features 650,000+ miles of hiking and biking trails, 300,000+ rock climbs, and 4,000+ ski routes. With interactive 3D Offline Maps, easy-to-use GPS navigation, and trustworthy mapping data, onX Backcountry gives you the tools to execute incredible outdoor adventures. Plan hiking, mountain biking, backpacking, or skiing trips with clarity on terrain, slope angle, and conditions. Switch between activity-specific Map Modes. Toggle Map Layers to show nearby hazards such as wildfires or avalanche terrain. Study distance and elevation gain, locate free dispersed camping, and sync your map across devices before you even leave the house. Map out custom routes with our snap-to-trail feature and add Waypoints to points of interest. Review Slope Angle and Slope Aspect to evaluate the steepness and direction of terrain. View localized Weather, hour-by-hour Wind Forecasts, and Recent Satellite Imagery. Download 3D Offline Maps so you can find your way back to camp, even without cell service. Leave a breadcrumb trail with Tracker to measure key trip stats. A great day starts with a better map. Go farther today with onX Backcountry. onX Backcountry Features: ▶ Does onX Backcountry work without cell service? onX Backcountry is built for remote, offline GPS navigation. Download 3D Offline Maps and access interactive trail and Map Layer data. Navigate off-grid trails with confidence, see exactly where you are on satellite imagery, and track activity stats even without signal. ▶ How can I find and track backcountry hiking trails? Discover guidebook hiking trails or build custom routes based on key terrain features. Use route builder to plan backpacking trips with realistic expectations of time, distance, and elevation. Hike responsibly by checking private land, dispersed camping, active fire, and terrain Map Layers. ▶ What mountain biking trails and features are available? Plan your next ride with detailed information on trail difficulty, elevation, and distance. Build your own MTB route or access thousands of expert-sourced trails. Download interactive maps for offline use and understand complex terrain using LiDAR Topo, Satellite, and Terrain Basemaps. ▶ How can I plan rock climbs and backcountry ski tours? Find new climbs powered by Mountain Project and analyze your approach in 3D. View recent Snow Imagery, Beacon Guidebook routes, real-time Weather Forecasts, and Avalanche Simulator data. Evaluate slope risk with Avalanche Terrain Exposure Scale (ATES) maps. ▶ How does onX Backcountry deliver better in-field maps? onX Backcountry is the only App with offline 3D, LiDAR-based Topo, intuitive route building, and proprietary Map Layers for conditions, cell coverage, and terrain. With four-season outdoor coverage and US-based customer support, access the most detailed maps for the backcountry. ▶ Premium & Elite Membership • 650,000+ miles of hiking, backpacking, and mountain bike trails • 4,000+ backcountry skiing lines with guidebook descriptions • 300,000+ rock climbing routes with approach trails • 3D Offline Trail Maps to navigate without cell service • 985 million acres of Public Land across the U.S. • 550,000 Recreation Icons: Trailheads, backcountry cabins, campgrounds, and more • Map data sourced from USFS, BLM, and NPS • Private Land Layer (ELITE ONLY) • Recent Satellite Imagery (ELITE ONLY) ▶ onX SOS: When something goes wrong in the field, onX SOS connects you to a 24/7 professional rescue team that coordinates help and covers rescue and evacuation costs. • Available as an add-on subscription for $49.99/year • Powered by Overwatch x Rescue (OxR) ▶ Terms of Use: https://www.onxmaps.com/tou ▶ Privacy Policy: https://www.onxmaps.com/privacy-policy ▶ Feedback: Please contact us at support@onxmaps.com. We’d love to hear from you.

  • 4.8
    out of 5
    6.3K Ratings

We improved user experience with a few bug fixes as well as preparing the app for future feature updates.

The developer, onXmaps, Inc., indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Used to Track You

    The following data may be used to track you across apps and websites owned by other companies:

    • Location
    • Contact Info
    • User Content
    • Search History
    • Browsing History
    • Identifiers
    • Usage Data
    • Diagnostics
  • Data Linked to You

    The following data may be collected and linked to your identity:

    • Location
    • Contact Info
    • User Content
    • Search History
    • Browsing History
    • Identifiers
    • Usage Data
    • Diagnostics

Privacy practices may vary, for example, based on the features you use or your age. Learn More

The developer has not yet indicated which accessibility features this app supports. Learn More

Seller
  • onXmaps, Inc.
Size
  • 540.8 MB
Category
  • Navigation
Compatibility
Requires iOS 18.0 or later.
  • iPhone
    Requires iOS 18.0 or later.
  • iPad
    Requires iPadOS 18.0 or later.
  • Apple Vision
    Requires visionOS 2.0 or later.
Location
  • This app may use your location even when it isn’t open, which can decrease device battery life.
Languages
  • English
Age Rating
4+
In-App Purchases
Yes
  • Backcountry Premium Yearly $29.99
  • Backcountry Premium Yearly $29.99
  • Backcountry Elite Year (AS) $99.99
  • Backcountry Elite Monthly $14.99
  • Backcountry Elite Monthly $14.99
  • Backcountry Elite Year $99.99
  • Backcountry Premium Year (AS) $24.99
  • Backcountry Elite Month (AS) $9.99
  • Backcountry Elite Year (AS) $79.99
  • onX SOS $49.99
Copyright
  • © 2025 onXmaps, Inc