Arnold's Grove Park trailhead offers paved parking and a 30-person pavilion located atop the Valley Park levee, accessible from Meramec Station Road west of Highway 141. The site serves as the western terminus of a 3.

6-mile paved greenway trail and provides direct access to the Meramec River for fishing and boating, with connections to boat ramps at nearby Meramec Landing Park and Simpson Park.

The trailhead operates from sunrise to sunset and features benches, lighting, and asphalt walking surfaces.