CalTopo provides topographic maps and tools for collaborative trip planning, elevation profiles, terrain analysis, and printing.
OpenTopoMap
OpenTopoMap displays topographic maps built from OpenStreetMap data for exploring terrain and locations.
About OpenTopoMap
OpenTopoMap displays topographic maps built from OpenStreetMap data for exploring terrain and locations.
OpenTopoMap is a website in our Maps, Navigation & Weather collection, part of the Travel & Maps directory. It runs in your web browser, so there's nothing to install.
Not quite what you need? Close alternatives include Caltopo, topographic-map, and Tangram Heightmapper — compare them below.
OpenTopoMap at a glance
- Website
- opentopomap.org
- Category
- Travel & Maps › Maps, Navigation & Weather
- Type
- Website
- Pricing
- Not confirmed. Check the site
- Platforms
- Web
- Open source
- Not stated
- Last checked
- Oct 6, 2026 · Online when checked
- Listed
- Oct 5, 2026
OpenTopoMap alternatives
Tools and sites you could use instead, ranked by how closely they match.
Topographic Map provides free maps for viewing terrain, elevation, and topography.
Tangram Heightmapper displays terrain imagery, with an API key required for imagery beyond zoom level three.
OpenStreetMap provides an editable community map of the world with tools for exploring places.
NCEI maps and geospatial tools visualize data types together and relate variables to specific locations.
NUKEMAP visualizes the effects of nuclear detonations, with controls for selecting a location and exploring the resulting area.
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OpenTopoMap FAQ
What is OpenTopoMap?
OpenTopoMap displays topographic maps built from OpenStreetMap data for exploring terrain and locations.
Can I use OpenTopoMap in my browser?
Yes. OpenTopoMap works on the web, so you can use it from any modern browser without installing anything.
Is OpenTopoMap working?
opentopomap.org responded when checked on Oct 6, 2026. Its current availability has not been confirmed.
What are the best alternatives to OpenTopoMap?
Popular alternatives to OpenTopoMap include Caltopo, topographic-map, Tangram Heightmapper, and OpenStreetMap. We list 12+ options matched by topic, tags and features.
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