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USGS Elevation (3DEP) logo

USGS Elevation (3DEP)

Free

Get ground elevation, elevation profiles, and contour lines for any U.S. location.

No key required. Included on Free.

Questions you can ask

  • “What is the ground elevation in feet at this pad location?”
  • “Draw an elevation profile between these two locations.”
  • “Show contour lines around this site.”
Sample outputfor “What is the ground elevation in feet at these pad locations?”
PadLatitudeLongitudeElevation (ft)
Pad A31.99-102.082,780
Pad B32.01-102.112,805
Pad C31.97-102.052,760

Illustrative values showing the shape of an answer, not live data.

Connect to your AI assistant

Paste this URL into Claude, ChatGPT, or any MCP client, then sign in when prompted. USGS Elevation (3DEP) is ready as soon as you sign in.

https://patchops.ai/api/mcp

Claude: use Add to Claude, or Settings > Connectors > Add custom connector and paste the URL.

Claude Code

claude mcp add --transport http patchops https://patchops.ai/api/mcp

Step by step

  1. 1

    Open connectors

    In Claude, open Settings > Connectors and click "Add custom connector".

  2. 2

    Paste the URL

    Name it PatchOps and paste https://patchops.ai/api/mcp as the server URL, then click Add.

  3. 3

    Sign in

    Click Connect and sign in to PatchOps when Claude asks.

  4. 4

    Start using

    Ask Claude a question. It uses USGS Elevation (3DEP) through PatchOps when it needs to.

› Technical details

Point elevation queries from the USGS 3D Elevation Program, with 1/3 arc-second national coverage.

View the data contract and method schemas →