Boscobel is a city in Grant County, Wisconsin, United States. Approximately 0.6 mi. (1 km) to the north of the city, across a riparian swamp, is the Wisconsin River. U.S. Route 61 crosses the Wisconsin River at Boscobel. To the south, the city is surrounded by the town of Boscobel. Boscobel is the site of a stop along the now defunct Wisconsin Western Railroad. It is also the site of the Wisconsin Secure Program Facility (WSPF), a Wisconsin Department of Corrections prison for men. Businesses include the historic Central House Hotel, the birthplace of Gideons International.