According to the latest available information, the boat ramp named Blackberry Campground in Oregon is a concrete ramp that is approximately 16 feet wide. It services the nearby Foster Reservoir, which is a popular spot for boating, fishing, and other water activities. The reservoir is about 1,200 acres in size and has a maximum depth of around 60 feet.

Various types of watercraft are permitted on the reservoir, including boats with motors, canoes, kayaks, and stand-up paddleboards. However, there are some restrictions in place, such as a 10 mph speed limit in certain areas and a ban on personal watercraft (jet skis) and airboats.

Overall, the Blackberry Campground boat ramp provides convenient access to Foster Reservoir for boaters and other water enthusiasts, and offers ample parking and other amenities for visitors.