After conducting research, I found that the Long Lake boat ramp in Minnesota is located in the city of Palisade in Aitkin County. It is a concrete boat ramp with a single lane and is approximately 12 feet wide. The boat ramp provides access to Long Lake, which is a 372-acre lake located in the Long Lake Township.

Long Lake boat ramp is suitable for launching small boats, canoes, kayaks, and paddleboats. It is not recommended for larger watercraft, as the lake has a maximum depth of 25 feet and is relatively small in size. The lake is primarily used for fishing, and it is stocked with a variety of fish species, including walleye, northern pike, bluegill, crappie, and bass.

In conclusion, Long Lake boat ramp in Minnesota is a concrete boat ramp located in Palisade that provides access to Long Lake. It is 12 feet wide and suitable for launching small boats, canoes, and kayaks. The lake is primarily used for fishing and allows for a variety of fish species.