Nude beach shut down, to curb high rate of sex and drug use at a beach on the Wisconsin River near Mazomanie. The well known nude beach, which draws crowds from in and around the country, is shut down on weekdays, but not weekends. Wisconsin authorities announced Tuesday they will shut down one of nation's most popular nude beaches on weekdays after struggling for years to curtail sex and drugs on the sandbar and surrounding woods. Nudists from around the country have been traveling to the public beach on the Wisconsin River near Mazomanie, about 25 miles northwest of Madison, for decades as word spread that prosecutors in ultra-liberal Dane County wouldn't go after anyone for showing skin. But visitors haven't stopped at just stripping down. They've been slipping off into the woods for trysts and drugs. Authorities say that's crossing the line, but they haven't been able to stop the shenanigans. Their frustration reached a tipping point Tuesday, wh