Oregon / Lake Umatilla /
Threemile Canyon Park
Boat ramp · on Lake Umatilla · Oregon
Open per U.S. Army Corps of Engineers recreation area status's data, checked April 15, 2026. Seasonal gates, low water and storms are not always posted; check before you tow.
At the launch
- Type
- Boat ramp
- Fee
- Free
- Ramp lanes
- 1
- Ramp surface
- Concrete
- Managed by
- U.S. Army Corps of Engineers
- Website
- nwp.usace.army.mil
- Coordinates
- 45.81159, -119.96971
Conditions
- Weather forecast for this launch · National Weather Service
On the river
River mile 255.2 on Columbia River · U.S. Army Corps of Engineers Navigation Mile Markers, placed between its mile markers
Sources: U.S. Army Corps of Engineers Navigation Mile Markers.
On Lake Umatilla
Reservoir in Oregon. All launches on Lake Umatilla.
Community
Where people who use Lake Umatilla talk about it.
Nearby launches
- Willow Creek Access · 2.7 mi · Willow Creek
- Boardman Marina Park · 12.6 mi · Lake Umatilla
- Earl Snell Memorial Park Paddle Launch · 12.9 mi · Lake Umatilla
- Port of Arlington Ramp · 12.9 mi · Lake Umatilla
- Port of Arlington Hand Launch · 13.0 mi · Lake Umatilla
- Roosevelt Park North Boat Ramp · 13.5 mi · Lake Umatilla
Sources
- Oregon State Marine Board Boating Access Sites record ba52facd-8d7a-49c4-956b-34636da6f1c6 · OSMB terms: cite OSMB as the source, describe modifications, no implied endorsement (ArcGIS item 63176689a50541b8863b530b29f9ea36)
- U.S. Army Corps of Engineers boat ramps (FHWA Federal Lands Transportation Facility Inventory) record 647-332583-7-001 · US federal government data, public domain (FHWA Federal Lands Transportation Facility Inventory, U.S. Army Corps of Engineers submittal)
- U.S. Army Corps of Engineers recreation area status open or closed status · US federal government data, public domain (U.S. Army Corps of Engineers Natural Resource Management Program)
- OpenStreetMap w1068581498 © OpenStreetMap contributors, ODbL
- OpenStreetMap n9809225895 © OpenStreetMap contributors, ODbL
- OpenStreetMap w1068407140 © OpenStreetMap contributors, ODbL
- OpenStreetMap n7553144672 © OpenStreetMap contributors, ODbL
Why it is listed as public: listed by Oregon State Marine Board Boating Access Sites and U.S. Army Corps of Engineers boat ramps (FHWA Federal Lands Transportation Facility Inventory). Something wrong, or is this launch private? Send a correction; it goes to a person.