Based on the latest information available, Arrowhead Lake boat ramp is a concrete boat ramp located at latitude 47.71223831 and longitude -93.82720184 in Minnesota. The boat ramp is reported to be wide enough to accommodate most boats and trailers, but specific measurements were not available.

Arrowhead Lake boat ramp provides access to Arrowhead Lake, which is a small lake located in the Kabetogama State Forest. The lake is primarily used for recreational purposes such as fishing, boating, and swimming. Due to the size of the lake, only small boats and watercraft are permitted on the water.

In summary, Arrowhead Lake boat ramp is a concrete boat ramp located in Minnesota that services Arrowhead Lake. It can accommodate most boats and trailers, and small boats and watercraft are permitted on the lake.