Oregon / Owyhee Lake /
McCormack Campground
Boat ramp · on Owyhee Lake · Oregon
Oregon Health Authority has a harmful algae precaution for this water (September 21, 2026). Precaution issued due to detection of toxins (see image below). Avoid contact with discoloured water or scum, and keep pets and children out of it.
Oregon Health Authority · checked October 18, 2026
Status not reported No closure has been posted for this launch, but its agency does not publish open or closed status. Check with the managing agency before you tow.
At the launch
- Type
- Boat ramp
- Fee
- Free
- Ramp lanes
- 1
- Managed by
- Oregon Parks and Recreation Department
- Website
- stateparks.oregon.gov
- Coordinates
- 43.61615, -117.25580
Conditions
- Weather forecast for this launch · National Weather Service
- Water level at the LAKE OWYHEE NEAR NYSSA OR gauge · USGS, 1.9 mi away on Owyhee Lake
- Lake level at Lake Owyhee and Owyhee Dam · Reclamation
Lake level: Owyhee Lake
Today's level loads here; without it, see the agency's page below.
Level from Bureau of Reclamation, Reclamation Information Sharing Environment (RISE) (Lake Owyhee and Owyhee Dam), daily; the agency's page. Levels change; check conditions at the ramp before you launch.
Water level
Latest reading loads here; without it, see the USGS page below.
USGS gauge LAKE OWYHEE NEAR NYSSA OR, 1.9 mi from this launch on Owyhee Lake: water level, a reading every 15 minutes. Readings and history at USGS.
On Owyhee Lake
Reservoir in Oregon. All launches on Owyhee Lake.
Community
Where people who use Owyhee Lake talk about it.
Nearby launches
- Indian Creek Ramp · 0.4 mi · Owyhee Lake
- Gordon Gulch Day Use · 0.9 mi · Owyhee Lake
- Lake Owyhee Dam Ramp · 2.1 mi · Owyhee Lake
- Big Bend Launch Site · 10.9 mi · Snake River
- Adrian Ramp · 12.2 mi · Snake River
- Martin Landing · 17.8 mi · Snake River
Sources
- Oregon State Marine Board Boating Access Sites record 37b7620d-e05f-4c0e-8cc3-a18387f37faa · OSMB terms: cite OSMB as the source, describe modifications, no implied endorsement (ArcGIS item 63176689a50541b8863b530b29f9ea36)
- OpenStreetMap n5201629302 © OpenStreetMap contributors, ODbL
Why it is listed as public: listed by Oregon State Marine Board Boating Access Sites. Something wrong, or is this launch private? Send a correction; it goes to a person.