
Cairn Maps
Offline Hiking + Tracking
Only for iPhone
Free
iPhone
Offline Trail Maps and GPS Hiking Tracker
Navigate the wilderness with confidence using Cairn, the hiking and outdoor navigation app designed for adventurers who venture beyond cell service. Whether planning a day hike or multi day backpacking trip, Cairn provides essential tools to stay on track and record your journeys.
OFFLINE MAPS FOR BACKCOUNTRY EXPLORATION
Download high quality topographic maps before leaving home and access them anywhere without internet connection. Save custom map regions at multiple resolution levels, ensuring detailed terrain information when you need it most. The tile-based download system optimizes storage while maintaining excellent map clarity for wilderness navigation.
GPS TRACK RECORDING AND STATISTICS
Record every step of your outdoor adventures with precision GPS tracking. Cairn captures your route, elevation changes, speed, and distance in real-time. Review detailed statistics including total distance, elevation gain and loss, average pace, and duration. The elevation profile visualizes your climb throughout each journey.
WAYPOINT AND ROUTE PLANNING
Plan adventures by creating custom routes with multiple waypoints. Drop markers at trailheads, campsites, water sources, and scenic viewpoints. The route planning system calculates total distance, cumulative elevation changes, and estimated hiking time to help you prepare for each expedition.
TRAIL DISCOVERY AND SEARCH
Find new trails using built-in discovery features. Search hiking paths by name, location, difficulty level, surface type, and distance. Filter results to match your preferences, from easy nature walks to challenging mountain ascents. Trail listings include length, elevation gain, estimated time, and terrain conditions.
TRACK IMPORT AND EXPORT
Transfer hiking data between apps and devices seamlessly. Import GPX, KML, FIT, TCX, and GeoJSON files from Garmin, AllTrails, and OnX Backcountry. Export recorded tracks to share with friends or backup your adventures. The import system preserves all track details including timestamps and elevation data.
PUBLIC LAND BOUNDARIES
Know where you can legally hike and camp with integrated public land boundary information. View national forests, wilderness areas, and state parks directly on the map. Plan trips within permitted areas and discover new public lands near your location.
REAL TIME NAVIGATION ASSISTANCE
Follow planned routes with navigation designed for trail use. The system tracks progress along routes, displays distance to upcoming waypoints, and alerts you when approaching key locations. Visual indicators show bearing and direction to keep you oriented.
TRACK HISTORY
Access complete hiking history organized by date with detailed statistics. Search past tracks, review performance trends, and revisit favorite trails. Track management groups activities by week, month, and year for easy progress tracking.
CUSTOMIZABLE MAP DISPLAY
Tailor map display with multiple overlay options. Toggle visibility of trails, waypoints, and public land boundaries. The dark-themed interface reduces eye strain while maintaining readability in bright sunlight.
STORAGE MANAGEMENT
Monitor offline map storage with built in tools. View space occupied by each downloaded region, delete unneeded maps, and resume interrupted downloads.
KEY FEATURES
Downloadable offline topographic maps
GPS track recording with elevation and speed metrics
Custom waypoint creation with icons
Route planning with distance calculations
Trail search with filtering options
Import from GPX, KML, FIT, TCX, GeoJSON
Public land boundary visualization
Real-time navigation guidance
Track history and statistics
Dark theme for outdoor use
Download Cairn and transform how you explore the outdoors. From local trails to remote wilderness, hike with confidence and preserve memories of every journey.
Perfect for hiking, backpacking, trail running, and outdoor activities where reliable navigation matters.
Ratings & Reviews
This app has not received enough ratings or reviews to display an overview.
The developer, YMMV, 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 Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Provider
- YMMV LLC
- Size
- 12.9 MB
- Category
- Utilities
- Compatibility
Requires iOS 18.2 or later.
- iPhone
Requires iOS 18.2 or later.
- Location
- This app may use your location even when it is not open, which can decrease device battery life.
- Languages
- English
- Age Rating
4+
- 4+
- Copyright
- © 2025