Colonial Creek South Campground

Overview Colonial Creek South Campground requires reservations during the peak season, from late May through early September of each year. Important changes to booking windows: To better serve visitors, Colonial Creek South Campground will release campsites in two staggered block releases. These block releases will be 6 months in advance and 7 days in advance.

Campsites #64 - #95 and #116 - #164 are available for reservations 6 months in advance. Campsites #96 - #113 are available for reservations 7 days in advance. Any sites not reserved during the peak season are available same-day as first-come, first-served for 1 night only and can only be claimed in person at the campground.

Colonial Creek South Campground may be open as first-come, first-served after the peak season until most of the campground closes for the year, typically in mid to late September. Ten walk-in, tent-only campsites (#64 - #73) are open as first-come, first-served before and after the peak season, from January through late May, and early September through December of each year. The campground is remote, yet bustling and is nestled in old-growth forest.

Located on the south side of State Route 20 near milepost 130, there are 93 campsites that are surrounded by forest and located on Diablo Lake. Colonial Creek South Campground can accommodate a variety of camping, whether it’s drive-in camping, or walk-in tent camping. The campsites vary in size from small to medium.

Most of the campsites do not accommodate large trailers or RVs. Recreation Campers can access the Thunder Creek Trailhead from the South Loop. The Thunder Knob Trailhead is on the north loop across State Route 20.

Fishing is allowed in Diablo Lake with a Washington State Fishing license, the nearest location to purchase a license is in the town of Marblemount, WA. Follow Washington State Fishing Regulations when recreating. Black bears are active in this campground and the surrounding trails.