A family friendly oasis in the Russian River Valley. Casini Ranch is a campground with something for everyone. Memories are made here. Casini Ranch Family Campground has been a family operated RV park and campground - open year round since 1965. It is set among beautiful hills and rests on a gentle meander of the Russian River just minutes from the Pacific Ocean in Sonoma County. One mile of river runs along this 110 acre part of the ranch offering campers a memorable camping experience.