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The Bonanza boat ramp provides access to the southern end of Big Stone Lake in Bonanza Grove, Big Stone County. This is one of two major launch points on the lake (the other being Meadowbrook to the north), making it a convenient option for kayakers, canoeists, and motorboaters looking to explore different sections of the water. The site features wooden docks that serve as good staging areas for launching and fishing.
Most boats up to 12-18 feet can be launched at this ramp, with some facilities accommodating larger vessels. Big Stone Lake offers a variety of recreational opportunities beyond paddling, including fishing, swimming, and general boating. There are no launch fees at this location unless accessing through a park that requires a vehicle permit. The lake also has several nearby resorts and campgrounds for those planning extended visits.