According to the latest information available, the Vanderzanden boat ramp is located in Oregon and is operated by the Oregon Department of Fish and Wildlife. It provides access to the Hagg Lake, a reservoir situated in the Tualatin River basin.

The ramp is a concrete single-lane facility that is 30 feet wide and 250 feet long. It also includes a boarding float for launching and retrieving boats. The ramp is designed for use by small to medium-sized boats, including kayaks, canoes, fishing boats, and ski boats. However, larger boats may not be suitable for this ramp due to its size and design.

The Vanderzanden boat ramp is popular among anglers and water sports enthusiasts due to its location near the Hagg Lake. The lake is known for its excellent fishing opportunities, including rainbow trout, small and largemouth bass, crappie, bluegill, and catfish. Additionally, the lake is a popular destination for water skiing, wakeboarding, and tubing.

Overall, the Vanderzanden boat ramp is a well-maintained facility that provides convenient access to the Hagg Lake. Its design and size make it suitable for small to medium-sized boats, making it an ideal location for fishing and water sports.