Overview Hood Park is located on Lake Wallula in eastern Washington. The lake is formed by McNary Lock and Dam on the Mid-Columbia River. Lewis and Clark camped two miles downstream at the confluence of the Snake and Columbia Rivers, which is now the location of Sacajawea State Park. Visitors enjoy camping, fishing, boating, hiking, picnicking and swimming.Recreation The lake provides great boating and swimming opportunities, and a boat ramp is provided for guests. Fishing is also a popular