Trailer dump permit: $7 per use (included in camping fee)
(Trailer-dump fee is $5 at Bridgeport, Larrabee, Columbia Hills, Conconully, Sacajawea and Steamboat Rock state parks.)
Daily and annual watercraft launching and trailer dump permit (Natural Investment Permit) may be used at multiple parks. Permits are available for purchase in person at Washington State Parks headquarters at 1111 Israel Road SW in Olympia, at the region offices, and at parks when staff are available. Annual permits are also available online.
Extra overnight vehicle fee: $10
Campsite fees include parking for one vehicle at the site. Extra vehicles may be parked at the campsite if approved in advance by a ranger. There is a $10 per night fee to park a second vehicle at the campsite (unless it is towed by an RV). Extra vehicles must be registered at check-in and be parked in designated campsites or extra vehicle parking spaces.
Unattended vehicle overnight parking: $10 per night in designated areas for watercraft launch sites.