Ted T. Turtle Interpretive Trail
(formerly Twin Oaks Interpretive Trail)
(in the northern section of Hoosier National Forest in Indiana)

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Detailed Map of
Ted T. Turtle Interpretive Trail
(135K topo)
Maps to
Hardin Ridge Recreation Area

Located in the Hardin Ridge Recreation Area, this 1.2 mile interpretive trail takes you through a scenic hardwood forest, along a small creek and down to Lake Monroe and back. Along the trail, you can learn about the history, geology, and wildlife common to southern Indiana. There are signs along the trail that interpret different aspects of history, wildlife, the environment and other points of interest.

This short interpretive trail provides families a fun way to explore nature within the campground. This trail has regular interpretive signs which speak to a variety of topics. As you hike the trail you have an opportunity to learn about several aspects of the environment. A brochure at the trailhead also invites you to do a scavenger hunt to get children more connected with items they may see along their hike.

This trail is not accessible to wheelchairs. There are 157 steps. No bicycles are allowed. As some of the trail is rather steep it is considered intermediate to difficult.

Begin at the picnic shelter and amphitheater on Hardin Ridge Road. There is ample parking. A bulletin board/kiosk by the picnic shelter describes the trail and a paved trail and steps start off down the hill along the edge of the amphitheater.

This trail also connects with the Hardin Ridge Trail.

This trail is operated by:
US Forest Service
Brownstown Ranger District
811 Constitution Avenue
Bedford, IN 47421
Phone: 812-275-5987
Hoosier National Forest website

  • Horse, mountain bike, or motorized travel is not permitted on this trail.
  • Pack out your trash.

Drinking water is available at the start of the trail. A vault toilet is available at the trailhead. Camping is available for a small fee at several campgrounds in the Hardin Ridge Recreation Area. Some campground loops are closed seasonally, and water is shut off in the winter months. Hardin Ridge Recreation Area also offers cabin rentals, a swimming beach and bathhouse, boat ramp on Lake Monroe, bicycling, picnicking and more.


All visitors to Hardin Ridge Recreation Area must purchase a daily parking permit during the recreation season (April 15-October 15). Instructions are provided if the gatehouse is not staffed. The permit is $5/vehicle and buses are $25. Annual passes for day use are $35 (America the Beautiful Passes are honored) and the pass is good for Hardin Ridge, Tipsaw Lake and Indian-Celina Recreation Areas.

Outdoor Resources:
Other Information:
www.IndianaOutfitters.com - Indiana's Online Outdoor Recreation Guide