Serpent Mound is open daily, year round, from 9:00 am to dusk.
Winter Warning: Park roads are not plowed. During snowy or icy conditions, the park is open to pedestrian traffic only and parking fee is waived.
March: Open weekends only 10-4pm
April: Open daily 10-4pm
May-Oct: Mon-Thurs 10-4pm; Fri-Sun 9-6pm
Nov-Dec 21: Open weekends only 10-4pm
$15 Annual Parking Pass
Fees waived for Arc of Appalachia Members & Ohio History Connection Members
Serpent Mound is located in Adams County, in south central Ohio.
From the North or East
Follow Highway 50 approximately twenty miles west of Chillicothe and turn south or left on SR 41 on the west side of the small town of Bainbridge. Follow SR 41 south through the small villages of Cynthiana and Sinking Spring. The next town is Locust Grove. A sign at the traffic light indicates a right hand turn onto SR 73 towards Serpent Mound. Follow SR 73 west four miles, and turn right into the well-marked entrance to Serpent Mound. A sign at the gatehouse will give further parking directions.
From the West
Take SR 73 south out of Hillsboro which will take you directly to Serpent Mound. The entrance will be on your left.
From the South
Take SR 41 north over Hwy 32, through Peebles. The next town is Locust Grove. Turn left on SR 73. Follow SR 73 west four miles, and turn right into the well-marked entrance to Serpent Mound.
A sign at the gatehouse will give further parking directions.