Sinlahekin Road boat ramp is located in Okanogan County, Washington at a latitude of 48.59389114 and a longitude of -119.69750214. This boat ramp is a single-lane concrete ramp that provides access to the Sinlahekin Creek.

The Sinlahekin Road boat ramp is approximately 16 feet wide and can accommodate small to medium-sized boats. The watercraft allowed on the Sinlahekin Creek are typically small fishing boats, kayaks, canoes, and paddleboards.

The Sinlahekin Creek is a tributary of the Okanogan River, which flows through Okanogan County, Washington. The creek is known for its fishing opportunities, including trout, bass, and other species.

As of the latest information available, the Sinlahekin Road boat ramp is open to the public and provides a convenient place for anglers and water enthusiasts to launch their boats and enjoy the natural beauty of the area. It is important to note that regulations and restrictions may change, and it is always best to check with local authorities for the most up-to-date information before using any boat ramp.