Route 28 Access provides a paved parking lot on MD-28/Darnestown Road where Seneca Creek Greenway Trail crosses Great Seneca Creek, offering convenient access for both wading and paddling.

The site allows fly fishing and paddling from shore or by wading upstream and downstream, with the parking area serving as a key trailhead for the 16. 5-mile Seneca Greenway Trail system. This access point is located approximately 2.

5 miles north of Darnestown on MD-28 and provides a straightforward entry to the creek within Seneca Creek State Park.