Wolf Den Run State Park is Maryland's first and currently only park that caters to four-wheeling. There are three designated areas, each with numerous trails. A permit is required. The trails are open year-round except for deer firearms season, the two weeks beginning the first Saturday after Thanksgiving. There is no camping at any of the three offroad locations, but a campground is 1 mile northwest of Huckleberry Roaks Area along N Hill Road.
Trail 2204 bi-sects 2201 and is a good alternative to the far side of 2201 if you are concerned about getting stuck in its puddles. There are puddles and mud on 2204, but not as bad as 2201. The trail is narrow in areas risking pinstripes, and there are stretches of off-camber driving, so you have to stay focused.