Offline trail maps for all 50 states — free.
Download the whole country, navigate with no signal, and stay safe in the backcountry. Go Pro to see who owns the land and read the terrain like a pro.
Free forever — no credit card. Pro is $20/year (or $3.99/mo).
Discover trails by travel time, not radius
Tell Trailmonger “trails within 30 minutes drive” and it maps the real area you can reach — by road, not a straight-line circle — then surfaces the best trails inside it. Drive, bike, or walk time, asked in plain language.
- True reachable-area isochrones
- Drive, bike, or walk time
- Ask in plain words — no filters to fiddle with
Most apps charge for offline. We don’t.
Download the entire country and keep full vector detail — trails, terrain, labels, public lands — with zero signal. Unlimited offline packs, free forever.
- Unlimited offline map packs
- BLM · USFS · NPS · state lands
- Trails, campgrounds & trailheads
Record every adventure.
Battery-smart GPS tracking for hiking, biking, paddling, skiing, hunting, and more — with live elevation, pace, and stats, even on your Apple Watch.
- Activity-aware GPS recording
- Live elevation & pace
- Apple Watch stats
Safety, never paywalled.
SOS, sharing your live location with friends or emergency contacts, cell-coverage maps, and full offline maps for the moment you lose signal — all free, forever. Everyone else charges for offline; the things that keep you safe should never be behind a paywall.
- SOS & emergency-contact share
- Offline maps when you lose signal
- Cell coverage, all carriers
See who owns the land. Read the terrain like a pro.
Go Pro for parcel boundaries and owner info across the country, plus advanced terrain — slope, aspect, color-relief, 3D, and LiDAR — and unlimited waypoints, sets, and routes.
- Land parcels & ownership
- Slope · aspect · 3D · LiDAR
- Unlimited waypoints & routes
Your stats, on your wrist.
Start and control a recording right from your watch, glance at live distance, pace, elevation, and time, and drop a waypoint without ever reaching for your phone.
- Start, pause & stop from the wrist
- Live distance, pace, elevation & time
- Drop waypoints hands-free
Every state. The whole country, offline.
Trailmonger is built for the United States — no international clutter, just the country you actually explore, mapped in detail and ready to download before you lose signal.
Simple pricing. The map is always free.
Start free in every state. Upgrade only when you want the premium data.
- Offline maps for all 50 states
- Emergency SOS & location sharing
- GPS recording, stats & Apple Watch
- 10 waypoints + 5 sets · unlimited favorites
- Live location sharing with friends
- Weather, public lands & cell coverage
Everything in Free, plus:
- Land ownership & parcel boundaries
- Advanced terrain: slope, aspect, 3D, LiDAR
- Unlimited waypoints, sets & routes
- Advanced multi-leg route planning
- 10-day forecast, radar & alerts
- Track replay, debrief & priority support
The whole country, in your pocket.
The map is already loaded and works without signal. Open it free — upgrade anytime.
Open the map