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TrailMapper

GPS trail recording and mapping for property owners and trail builders

Download Free on Google Play

Built for the People Building the Trails

Whether you're laying out a hunting property, building a mountain bike trail system, or mapping an ATV network — TrailMapper gives you the tools to record it, connect it, and hand it off to the property owner in a format they can actually use.

GPS-accurate trail segments. Exportable KML and GPX. No subscriptions, no cloud account required.

How It Works

Walk, ride, or drive your trail lines while TrailMapper records the GPS path in the background. Connect segments into a full network, add points of interest, then export the whole thing as a KML or GPX file the property owner can drop straight into Google Earth or OnX.

Trail builders can also tie excavator work quotes directly to trail segments — keeping job scope and pricing in one place instead of scattered across notes and spreadsheets.

Features

GPS Trail Recording

Records trail segments via a background foreground service using fused location. Keep your phone in your pocket while the line gets laid down.

Trail Network Builder

Connect segments into a full trail network. Endpoint snapping, trail splitting, and edit mode let you clean up the map after the fact.

KML and GPX Export

Export your full trail network as KML or GPX. Works directly with Google Earth, Google My Maps, OnX, and most other mapping tools.

Points of Interest

9 preset POI types with canvas-drawn icons — gates, water crossings, parking areas, hazards, and more. Pinned to coordinates on the map.

Excavator Quoting

Generate line-item excavator quotes tied to trail segments. Share quotes as a formatted summary for the property owner or client.

Offline Maps

OSMDroid-powered offline tile caching so the map works in the field without cell service. No Google Maps billing.

Elevation Profile

Sparkline elevation profile per trail segment so you know what the grade looks like before you start cutting.

Backup and Restore

Back up your property data to Google Drive or any local location via Android's Storage Access Framework. No account required.

Built For

Trail Contractors

Record, map, and quote trail work for clients. Hand off a KML when the job is done.

Property Owners

Map your hunting property, ATV trails, or horse paths. Import the KML into Google Earth and share with guests.

Mountain Bike Builders

Plan flow and layout before you start digging. Export to OnX or Trailforks for the riders.

Land Managers

Document trail systems on managed land. Maintain records of segment locations and trail network structure.

Outdoor Guides

Record guest routes, waypoints, and hazard markers. Export route data for trip planning and documentation.

The ProDirt Difference

Privacy Policy

Effective Date: April 2026

TrailMapper is built on a simple principle: your trail data is yours. We don't collect it, store it, or sell it.

Data Storage

All data you enter — properties, trail segments, GPS coordinates, POIs, and quotes — is stored locally on your device using an on-device database. Nothing is transmitted to ProDirt LLC servers because there are none.

Location Data

TrailMapper uses your device's GPS to record trail paths while recording is active. A persistent foreground notification is displayed whenever location recording is in progress. Location data stays on your device.

Map Tiles

Background map tiles are loaded from OpenStreetMap servers via OSMDroid. No personal data or GPS coordinates are included in tile requests.

Backup

If you choose to back up your data, TrailMapper uses Android's Storage Access Framework. You pick where the backup goes — local storage, Google Drive, or elsewhere. ProDirt LLC has no access to your backup files.

Third-Party Services

Contact

Questions about privacy? Email us at contact.prodirt@gmail.com

View full Privacy Policy →

Record it. Connect it. Hand it off.

Download TrailMapper Free

Legal

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