Based on the latest information available, the Jefferson County boat ramp in Kansas is a concrete boat ramp with a width of 20 feet. It services the Perry Reservoir, which is a popular destination for fishing, boating, and other water activities. The reservoir covers approximately 11,000 acres and has a maximum depth of 65 feet.

The boat ramp is open to a variety of watercraft, including motorized boats, sailboats, kayaks, and canoes. However, there are restrictions on the size and horsepower of motorized boats that are allowed on the reservoir. According to the Kansas Department of Wildlife, Parks and Tourism, boats with motors greater than 50 horsepower must be registered with the state and display a current decal.

In addition to the boat ramp, the Jefferson County Park also has a fishing dock, picnic areas, and a campground for visitors. The park is managed by the Jefferson County Parks and Recreation department, which maintains the facilities and ensures that visitors follow all safety rules and regulations.