Located at Interstate 70 and Highway 40/61 near Wentzville From St. Charles: Traveling West on I-70, exit onto Highway 40/61 South. At the Callahan Road Signal (first traffic light) turn right onto Callahan Road. Make another immediate right hand turn onto Quail Ridge Parkway. Follow Quail Ridge Parkway 3/4 mile north to the park entrance. OR Traveling North on Highway 40/61, turn left at the Callahan Road Signal (last traffic light before I-70. Make an immediate right turn onto Quail Ridge Park