44930 Quartzville Dr, Foster, OR 97345.
Sunnyside County Park is a 98-acre park located on the edge of Foster Reservoir in the Willamette Valley. RV/Tent/Group campsites available; 123 Campsites are reservable; 42 Campsites are first-come, first-serve. Pets on a leash are welcome in the campground, max 2 pets per site. There is an off-leash dog park in Sunnyside County Park.
