Nature Trail (.4 mile) - This self-guided trail begins across the parking lot from the restroom. It is an easy loop trail with moderate slopes.
Hiking Trail (1.6 miles) - This trail starts and ends iwth steep slopes; however, most of the trail is on a relatively flat ridgetop. Views along the trail include valleys, upland forest, and occasional glimpses of the lake. The trail starts across the road from the boathouse and ends at the east end of the boathouse parking lot.
Griffy Creek Trail (1.5 miles) - This non-looping trail begins at the east end of the boathouse parking lot and follows the north branch of Griffy Creek. Views along the walk include the creek and forested valley.
Lanam Trail (1.1 miles) - This linear trail begins at the Griffy Creek Trail trailhead and extends to Lanam Road. The trail provides views of the forest, and parallels sections of the north and middle forks of Griffy Creek.
Cascades Park Trail - This paved, accessible, linear trail connects Lower Cascades Park to the intersection of Stone Mill Road and North Old State Road 37.
Wetland Trail (.5 mile) - The Wetland Trail is an easy, non-looping trail, but it is seasonally wet. Please respect the gragile nature of this area by staying on the trail. The Wetland Trail begins at the Griffy Creek trailhead.
North Shore Trail (1.5 miles) - This trail begins along North Headley Road, north of the boathouse. Please use care when walking on the road to reach the trailhead. Steep slopes, narrow pathways, and rock outcrops make the North Shore Trail the most Rugged trail at Griffy Lake. Please stay on the trail when hiking in the area.
North Shore Loop Spur (1 mile) - This looping trail begins and ends at Griffy Lake dam. At the top of the dam the trail splits off to the left from the main North Shore Trail. Sections of the trail explore upland forest habitat before dipping down into a creek bottom to rejoin the North Shore Trail.
South Shore Trails (3.7 miles) - A collection of trails explore Griffy Lake's state dedicated nature preserve area. A couple of the trails connect to the IU Teaching and Research Preserve trail system.