Bike Stop: 400 Trail (map) The 400 gets its name from the train that once followed this path. At the time, it was the fastest way to get from Chicago to the Twin Cities. Twenty-two miles of crushed rock trail runs from Reedsburg to Elroy, passing through several small towns on the way. The 400 crosses the Baraboo River 11 times and features varied scenery, including pine forests, wetlands, sandstone bluffs and rolling pastures. Dairy Shop Carr Valley Cheese Company S3797 Cty. Hwy. G, La Valle Sid Cook, a fourth-generation Master Cheesemaker, produces Cheddar and artisan specialties the old-fashioned way. This traditional cheese plant has won more than 50 national and international awards in the past two years. Open Monday through Saturday, 8 a.m. to 4 p.m. Call ahead for tours at (608) 986-2781 or visit their website.   Elroy Commons 303 Railroad St., Elroy This is the northern trailhead for the 400 as well as two other celebrated trails. It includes an information center, restrooms, picnic areas, showers, camping, rentals, souvenirs, refreshments and more. Call (888) 606-BIKE or visit www.elroybiketrails.org.   Tour Tip: Cottage cheese is now available in individual serving sizes, perfect for on-the-go energy. Add fresh fruit to get even more power.