Guides to elevation data and topographic maps
Practical guides to Oregon elevation data: download contour lines in every format, make elevation profiles, put accurate elevation into GPS files, and make topographic maps and 3D terrain models from USGS 3DEP lidar.
Property & land
Contour Map of Your Oregon Property
Contours clipped to the county assessor’s taxlot boundary.
Slope Maps for a Building Permit on Sloping Land
How steep a lot is, and where the buildable ground sits.
Terrain Checks Before Buying Rural Land in Oregon
The terrain checks to run on acreage before you make an offer.
Contour lines & downloads
Contour Lines for Oregon
Generate and download contour lines for any area in the state.
Download Contours as GeoJSON
For QGIS, ArcGIS and web mapping.
Download Contours as DXF
For AutoCAD, Civil 3D and CAD software, in Oregon Statewide Lambert feet.
Download Contours as PDF
Print-ready contour maps.
Download Contours as KML
For Google Earth and Google Maps.
Download Contours as SVG
For graphic design and the web.
Download Contours as STL
3D terrain models for printing.
Download Contours as OBJ
3D terrain models for rendering.
Elevation profiles
Elevation Profile Generator
Draw a line and get its elevation profile at once.
How to Create an Elevation Profile
A step-by-step walkthrough.
Elevation Profiles for Hiking
Plan day hikes and summit climbs.
Elevation Profiles for Mountain Biking
See the climbs and descents on a trail.
Elevation Profiles for Cycling
Profile road and gravel routes.
Elevation Profiles for Running
Grade analysis for runners.
Add elevation to your files
Add Elevation to GPX Files
Give GPS tracks lidar ground elevation.
GPX Elevation Correction
Fix noisy or missing GPS elevation.
Add Elevation to KML Files
Add elevation to KML geometry.
Add Elevation to GeoJSON Files
Add elevation to GeoJSON features.
Add Elevation to CSV Files
Look up the elevation for a list of coordinates.
Data, maps & models
Free Elevation Data for Oregon
The public-domain USGS 3DEP data, and what you may do with it.
Lidar Coverage in Oregon
Check an address for lidar coverage, project and year.
Lidar Data for Oregon
About USGS 3DEP and the Oregon Lidar Consortium.
Download DEM Data for Oregon
Digital elevation models explained.
Topographic Maps of Oregon
Make and read topographic maps.
Elevation Lookup for Oregon
Find the elevation of any point.
3D Print an Oregon Terrain Model
Turn lidar into a printable model.