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Tammany Trace, St. Tammany Parish, Louisiana Trail Length: 31 miles one way Width: 6 feet Surface: Asphalt, concrete at grades through tunnels Typical grade: <1% Maximum grade: ~3-5 % at tunnels under highways Typical cross slope: <1% Obstacles: Closure at I-12 construction The Tammany Trace is a rail trail that runs from Covington to Slidell, Louisiana. It is fully paved with minimal road crossings. Terrain is relatively flat with only a 95 ft change in elevation over 31+ mi. The trail is hike, bike & horse (rare) shared-use path and crosses several towns, rural communities and Fontainbleau State Park. Temporarily closed under I-12 during construction and detoured at H-59 for a new tunnel. New and current tunnel, at H-190, Mandeville, has the steepest grades with a concrete surface. Because of long straight sections, this trail is ideal for handcycling. There are multiple trailheads with accessible parking, restrooms and trail entry. Submitted by Noel Williams See the Fine Print |