Location: St. Croix and Polk counties. Portions of 230th
Avenue, Marine Road, County Line Avenue and Polk/St. Croix Road
through the town of Somerset in St. Croix County and the town of
Farmington in Polk County.
Length: 2.8 miles
Surface: Paved and gravel
This route leads to the historic Somerset Landing—a river access
point in the St. Croix National Scenic Riverway that features a boat
launch and other amenities. R-103 features sandstone bluff
outcroppings, tree canopies, prairie and farm views. A snowmobile
route crosses Polk/St. Croix Road and a marked bike route connects
to R-103 at 40th Street.