According to the Washington Department of Fish and Wildlife, the boat ramp named Sullivan Lake Road is a concrete ramp located on Sullivan Lake in Metaline Falls, Washington. The ramp is 18 feet wide and can accommodate small to medium-sized boats. The body of water it services is Sullivan Lake, which is a popular destination for fishing and boating. The lake has a maximum depth of 330 feet and covers an area of approximately 1,300 acres.

The Washington Department of Fish and Wildlife also states that the lake is open to motorized and non-motorized boats, including canoes, kayaks, and paddleboards. Additionally, the lake is stocked with rainbow trout and kokanee salmon, making it a popular spot for fishing enthusiasts.

It is important to note that information regarding boat ramps and their specifications can change over time. Therefore, it is advisable to verify the latest information with the relevant authorities before planning a trip to Sullivan Lake Road boat ramp.