CalTopo
Advanced mapping platform for outdoor professionals
Overview
CalTopo is a comprehensive mapping platform designed for outdoor professionals, including trail builders and land managers. It offers powerful features for creating, editing, and sharing detailed maps with custom overlays and annotations. The app provides access to multiple map layers including topographic maps, satellite imagery, slope angle shading, and land ownership information. CalTopo is particularly valuable for trail planning, documenting trail work, and coordinating with team members in the field.
Platforms
iOS
Android
Web
Price
Free
Key Features
Multiple map layers and overlays
Custom map creation and annotation
Slope angle shading for trail planning
GPS tracking and waypoint marking
Collaborative mapping and sharing
Trail Building Usage
CalTopo can be a valuable tool in your trail building workflow. Here are some specific ways to use this app for trail building projects:
Plan new trail routes with topographic data
Identify property boundaries and land ownership
Analyze terrain for optimal trail flow
Create detailed maps for land manager approval

App Details
Essential information about this application