Howell Island Conservation Area
St. Charles County, MO 63332
Accessible by car only from Eatherton Road in Chesterfield, MO
636-441-4554
Amenities and Activities: 2,547 acre island, 8 mile hiking and biking trail, hunting, fishing in Missouri River and Centaur Chute, birdwatching.
Missouri Department of Conservation - Howell Island Conservation Area Webpage