Sinlahekin Road 100-144 boat ramp is a public boat launch located in Okanogan, Washington. It provides access to the Sinlahekin Creek, which is a popular spot for fishing and boating. The boat ramp is approximately 12 feet wide and allows for small watercraft like canoes, kayaks, and small fishing boats to be launched.

The Sinlahekin Creek is a tributary of the Okanogan River and is known for its clear waters and scenic surroundings. It is a popular spot for trout fishing and offers opportunities for wildlife viewing as well.

As per the latest information available, the boat ramp is open year-round, and there are no fees for its usage. However, users are advised to check the current conditions and water levels before planning their visit. Additionally, it is always recommended for boaters to wear life jackets and follow all safety regulations while on the water.

In conclusion, the Sinlahekin Road 100-144 boat ramp is a small public launch that allows for access to the picturesque Sinlahekin Creek in Okanogan, Washington. It is suitable for launching small watercraft and is open year-round for free public use.