Multnomah County elevation and terrain tools
Portland Metro • County seat: Portland
Multnomah County holds Portland at the meeting of the Willamette and Columbia rivers, with the Tualatin Mountains rising on its west side. East of the city it runs into the Columbia River Gorge, where waterfalls drop over steep basalt cliffs.
Open the mapLidar coverage
Lidar projects that cover Portland, from the USGS 3DEP index and DOGAMI’s project records. Other parts of the county may come from other projects; the coverage guide explains how to check any spot.
Coverage details are temporarily unavailable.
Property boundaries
The Property tool can select taxlots in Multnomah County from the county assessor’s GIS taxlots (Metro RLIS taxlots (Multnomah, Washington and Clackamas county assessors)) and use the boundary as the area for any other tool. Assessor taxlots are not surveys.
Tools for Multnomah County
A PDF terrain report for a taxlot: hillshade, contours, slope and elevation statistics.
How the tool worksContour lines at the interval you choose, on the map and as vector files.
How the tool worksHours of direct sun on any day of the year, with shadows cast by the terrain.
How the tool works