The Sinlahekin Road boat ramp in Okanogan County, Washington is a concrete boat ramp that provides access to the Sinlahekin Wildlife Area Pond. The ramp is relatively narrow, with a width of approximately 12 feet. The pond is a small body of water, covering approximately 21 acres, and is primarily used for fishing and wildlife viewing.

According to the Washington Department of Fish and Wildlife, only non-motorized watercraft are permitted on the Sinlahekin Wildlife Area Pond. This includes canoes, kayaks, and other manually-propelled watercraft. Gas-powered motors are not allowed on the pond.

It's important to note that information about boat ramps can change over time. While the information provided above was accurate at the time of writing, it's always a good idea to double-check with local authorities or other reliable sources for the most up-to-date information.