Check out some of the best hiking, walking and backpacking routes in Saint Charles County, Missouri. The
Ellis Island Loop is the most popular trail. The trail with the highest elevation climb is the
Lost Valley Trail Loop and the trail with the least amount of climbing is the
Marais Temps Clair Conservation Area Loop. The longest trail is the
Katy Trail from Missouri Route 94 at 33.5 km. For a shorter adventure you can try the
Alton Slough Overlook at 1.1 km. Get off line access to Water, Healthcare, Restaurant, and Shelter locations and much more with a Hiiker subscription.
