Army Corps of Engineers · John Day Lock and Dam, Lake Umatilla

Plymouth Park

Plymouth Campground is located by the small town of Plymouth, Washington. The day use area and boat launch are on a small island on Lake Umatilla on the Columbia River. Popular activities in the area include fishing, swimming, boating, water skiing and hunting. Visitors enjoy boating, water sports and swimming in the river. Anglers fish for Chinook, steelhead, walleye, sturgeon, and shad. The boat ramp is located at the day use area for convenient river access. The campground offers 32 sites with electric hookups. Amenities include flush and pit toilets, showers, drinking water, a dump station and playground.

Reservable33 sitesAccessibility info

Check availability on Recreation.gov ↗

Plymouth Park Site 20 — U.S. Army Corps of Engineers

Campsites

Standard with electric	30
Host/management	2
Group sites	1
Total	33

Amenities & rules

✓ Electric hookups✓ Water hookups✓ Sewer hookups✓ Pets allowed✓ Campfires allowedMax vehicle length 55 ftRVs & trailersTents

Compiled from site-level records; individual sites vary. Confirm on Recreation.gov or with the managing office.

Getting there

From Kennewick, Washington take US-395 South or 23 Miles to Exit 131. Merge onto State Route 14 West and continue for 1 mile. Turn south onto Plymouth Road and continue for 1 mile. Follow the curve to Christie Road. The campground is the first left and the day use area is the second left.

Campgrounds nearby

2.3 miles away

Spillway Park - Chinook Shelter (Or)

OR · 1 site

2.3 miles away

Reservable

Lake Wallula

Mcnary Beach - Sockeye Shelter (Or)

3.8 miles away

25.2 miles away

Charbonneau Park And Campground

32.9 miles away

38.4 miles away

Data source: Recreation.gov RIDB, retrieved August 30, 2026. The Campsite Atlas is an independent publication and is not affiliated with or endorsed by the Recreation.gov or any federal agency. Always confirm critical details on the official Recreation.gov page before you travel.