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Collaborative GIS Mapping

GET OFF THE BEATEN TRAIL

WITH THE LEADING ADVENTURE PLANNING SOFTWARE

Mountain illustration with a route to peak

Plan Your Next Adventure

From collaborative map building to Location Sharing and offline adventuring, CalTopo is the one app that does it all.

Multiple editors | Real-time updates | Stackable Layers

Slope Angle Icon

Slope Angle

Slope Angle Shading helps you avoid steep terrain when finding routes.

Snow Depth Icon

Snow Depth

Hourly data from SNOTEL stations lets you know exactly what to expect.

Satellite Icon

Daily Satellite

Hi-res weekly and lo-res daily satellite images give a picture of current and changing conditions.

Water Gauge Icon

Water Gauge

Water is heavy. Get real-time data for over 7,500 streams and reservoirs and pack a filter instead.

Weather Icon

Wind & Weather

Elevation specific forecasts lets you know if if you need to pack that extra warm puffy.

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Public Lands

Check if the route you're planning takes you across private land or keeps you in the clear.

Collaborate
In Real-Time

Plan Your Next Adventure Together, Even When You're Miles Apart

Multiple users can edit the same map at the same time. Edits will appear in real-time for all users.

It's not just "sharing" maps. We're talking real collaboration.

Plus:

  • Real Time Location Sharing
  • Connect with your GPS devices

The Freedom Of
Offline
Adventure

Transition seamlessly between your computer and mobile.

The hassle of downloading and transferring GPX files between different apps is in the past.

Download maps and routes for offline use. Make edits in the field and have them update once you get reception.

Start Your
Adventure

Download the App

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Start Mapping for Free

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Caltopo Supports First Responders

First responder discounts are for active first responders who are current with an agency and have a need for mapping in their response.