Based on current information available, the Bear Lake boat ramp located at latitude 47.67729187 and longitude -93.26787567 in Minnesota is a concrete boat ramp that is approximately 16 feet wide. This ramp provides access to Bear Lake, a body of water that is primarily used for fishing and recreational boating.

As for the types of watercraft allowed on the lake, the Minnesota Department of Natural Resources (DNR) specifies that only motorized boats with a maximum horsepower of 25 are permitted on Bear Lake. This includes boats such as canoes, kayaks, and sailboats, as well as larger boats with outboard motors that meet the horsepower limit.

It's important to note that regulations and restrictions can vary depending on the season and specific location, so individuals planning to use the Bear Lake boat ramp should always check with the local DNR or other relevant authorities to verify current rules and regulations.