Hamilton Island Boat Ramp
Boat ramp · on Columbia River · near North Bonneville · Washington
Open per U.S. Army Corps of Engineers recreation area status's data, checked September 14, 2026. Seasonal gates, low water and storms are not always posted; check before you tow.
At the launch
- Type
- Boat ramp
- Ramp surface
- Concrete
- Managed by
- U.S. Army Corps of Engineers
- Coordinates
- 45.63378, -121.96535
Channel depths in feet from the Army Corps' surveys (Portland District; the one nearest this launch is of September 3, 2025). Not for navigation.
Conditions
- Weather forecast for this launch · National Weather Service
- Water level at the COLUMBIA RIVER AT STEVENSON, WA gauge · USGS, 6.5 mi away on Columbia River
Water level
Latest reading loads here; without it, see the USGS page below.
USGS gauge COLUMBIA RIVER AT STEVENSON, WA, 6.5 mi from this launch on Columbia River: water level, a reading every 15 minutes. Readings and history at USGS.
On the river
River mile 144.0 on Columbia River · U.S. Army Corps of Engineers Navigation Mile Markers
Sources: U.S. Army Corps of Engineers Navigation Mile Markers.
Channel survey
The Army Corps surveys the channels it maintains and posts every survey.
- Bonneville DAM
Condition survey of September 3, 2025 by the Portland District. Least depth in the channel (Ent. To Bonneville Lks): 22 ft; project depth 17 ft. Survey sheet (PDF)
US Army Corps of Engineers hydrographic surveys, from eHydro. A survey shows the bottom on the day it was made; channels shoal after high water and change with dredging. Not for navigation.
On Columbia River
River in Washington. All launches on Columbia River.
Community
Where people who use Columbia River talk about it.
Nearby launches
- Port of Cascade Locks Ramp · 4.0 mi · Lake Bonneville
- Port of Cascade Locks Marina · 4.4 mi · Lake Bonneville
- Herman Creek Cove · 6.1 mi · Lake Bonneville
- Blackberry Beach · 6.3 mi · Lake Bonneville
- Benson State Recreation Area · 8.7 mi · Benson Lake
- Wahtum Lake Campground · 9.1 mi · Wahtum Lake
Sources
- U.S. Army Corps of Engineers boat ramps (FHWA Federal Lands Transportation Facility Inventory) record 626-137829-7-001 · 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 n3384672904 © OpenStreetMap contributors, ODbL
Why it is listed as public: listed by 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.