Plymouth Park




October 2026
About
Overview
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.
Recreation
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.
Facilities
The campground offers 32 sites with electric hookups. Amenities include flush and pit toilets, showers, drinking water, a dump station and playground.
The day use area has a swim beach, boat ramp, flush toliets, vault toliet and courtesy dock.
Natural Features
The park is situated in a high desert environment on an island on the Columbia River. The island is covered with tall sage and Russian Olive trees, but shade is limited.
Wildlife is abundant in the area, and mule deer, waterfowl and raptors are commonly seen.
Nearby Attractions
McNary Dam and Visitor Center and Lake Wallula are two miles upstream from the campground. The lake offers additional opportunities for boating, swimming and fishing.
Amenities
Phone: 541-739-1135
Is Plymouth Park fully booked?
A campground showing no availability is almost never full for good. People cancel — plans change, weather turns, someone books three weekends and keeps one — and the site goes straight back into the booking system, usually without warning and often at odd hours. The reason sold-out campgrounds feel impossible is not that sites never free up; it is that nobody is watching at the moment they do.
CampHawk watches Plymouth Park in Plymouth, WA for you. We recheck it every 15 seconds, around the clock, and the moment a site opens we send a text, an email and a push notification — and on Recreation.gov we can put the site straight into your cart, so it is held while you get to your phone.
Searching is free and needs no account — the calendar above is live right now. Watching Plymouth Park for cancellations is the paid part.
