The Red River South Trail Association grooms 180 miles of marked snowmobile trails in the Northeastern part of North Dakota. This trail travels through the towns of Grand Forks, Emerado, Manvel, Arvilla, Gilby, Johnstown, Thompson, Reynolds, Oslo, MN, and East Grand Forks, MN. This trail system connects to the Minnesota trail system in two locations which are Oslo, MN and East Grand Forks, MN. The Mayville-Portland Trail Association is also connected to the Red River South trail system at the town of Reynolds. The clubs associated with the trail system are the Red River Snowmobile Club of Grand Forks, Minto Area Joy Riders of Minto, Turtle River Rough Riders of Manvel, and the Ridge Runners of Fordville.
Overall, Red River South System is the 13th most popular snowmobile trail of all 17 snowmobiling rides in North Dakota.