Sheets and towels are available for rental, but feel free to bring your own. Bathing suits and pool floaties for the slip and slide on Sunday. Sunscreen & bug spray, hats and sunglasses. Portland/Vernonia weather can vary from day to night, so light layers are recommended.
There's some shopping, a few cafes, but the next larger town is Hillsboro. Stub Stewart State Park is nearby: https://stateparks.oregon.gov/index.cfm?do=park.profile&parkId=75 Also, the Banks-Vernonia State Trail (Bike/Hike): https://stateparks.oregon.gov/index.cfm?do=park.profile&parkId=104
Camp Cedar Ridge has a 9-foot deep, heated outdoor pool. Guests must bring their own towels for pool use. Towels provided in the House and Lodge are not to be used outside. Horseshoe pits, yard games, basketball courts, volleyball court, fire pit (fire danger permitting), creek access, hiking trails are also on site. There are also a limited number of assorted games located in the dining hall basement.