The boat ramp named McDougall Drive 136 is located in Mossyrock, Washington. It is a concrete boat ramp that provides access to Mayfield Lake. The ramp is approximately 14 feet wide and is suitable for launching small to medium-sized watercraft, including boats, canoes, and kayaks.

According to the latest information available, the Washington Department of Fish and Wildlife manages the boat ramp and charges a daily launch fee for its use. The ramp is open year-round, but water levels may vary depending on seasonal conditions.

Mayfield Lake is a popular recreational destination for boating, fishing, and swimming. The lake has a surface area of approximately 2,200 acres and is located in Lewis County, Washington. The lake is stocked annually with various species of fish, including rainbow and brown trout, kokanee, and bass.

In summary, McDougall Drive 136 boat ramp is a concrete ramp that provides access to Mayfield Lake, located in Mossyrock, Washington. It is suitable for launching small to medium-sized watercraft, and the ramp is managed by the Washington Department of Fish and Wildlife. Mayfield Lake is a popular recreational destination for boating, fishing, and swimming, and is home to several species of fish.