Alder Lake Dam was built in 1945.
Restroom facilities at Alder Lake Park.
Day use beach at Alder Lake Park.
Playground at Alder Lake Park.
Picnic area at Alder Lake Park.
Picnic area at Alder Lake Park.
Picnic area at Alder Lake Park.
Alder Lake.
Boat ramp and dock at Alder Lake Park.
Typical campsite at Alder Lake Park Campground's Main Campground.
Restroom and shower facilities at Alder Lake Park Campground's Main Campground.
Walk-in campsite at Alder Lake Park Campground's Osprey Campground.
Picnic shelter at Alder Lake Park Campground's Group Camp.
Alder Lake Park's Elk Plain Campground