Agate Falls is located on the middle branch of the Ontonagon River. The falls are created as the river finds its way over an extended shelf of terraced sandstone. The resulting waterfall is a broad band of interlacing cascades and small falls nearly 40 feet high. Access to view the falls is via an improved, accessible foot trail.

Barrier-free access is available to the Bridge-to-Bay trail, a paved trail that runs from the Blue Water Bridge in Port Huron and into the city of Algonac. Approximately one mile of this trail intersects the park.

Bond Falls is a scenic and popular waterfall in southern Ontonagon County. An accessible boardwalk with six viewing locations has been added to this location.

Part of the St. Clair County Bridge to Bay Trail.

The Bishop Lake trail is a universally accessible linear trail approximately 1 mile in length. A barrier free modern restroom is available near the trail. This is a seasonal building that is closed during the colder months. Barrier-free fishing pier is accessible from this trail.

A paved path provides a pleasant stroll through the woods and along the Duck Lake shoreline.

The first 1/4 mile of the Grand Mere Nature Trail is paved.

The 1.25-mile paved trail loop takes visitors through 49 acres of remaining old-growth forest and past many unique buildings, including the Hartwick Pines Visitor Center, Logging Museum, Chapel of the Pines and Memorial Building.

The new Cedar Creek Trail is barrier-free.

A variety of hiking opportunities are available. One section near the lake is paved and ADA accessible.

More than 18 miles of trails travel through varied habitats. Visitors can hike, run and hunt along the trails, which are split into two connecting loops.

Approximately 8.5 miles of trails are available for hiking. A small section of the trail is ADA accessible.

The first half mile of the Mud Lake Trail has accessible trail features, including a hard-packed surface and rope system.

A portion of the trail system is a hard surface and is ADA accessible.

Access routes to the river corridor provide users a choice in how they access the shoreline that fits their ability and desire for adventure. A recycled plastic decked ramp that complies with Americans with Disabilities Act design requirements provides the easiest route of travel to the river. Other access routes utilize natural rock tiers placed to offer a variety of climbing challenges.

Completed in 2009 as part of the Access to Recreation grant. The project improved the limestone aggregate surface, re-routed sections to improve accessibility/slope, and added stamped concrete pads at each overlook/Interpretive stop. Each stop has a wayside display featuring the area's unique dune landscape, history and wildlife. The trailhead also features an audio message repeater with messages, benefitting the visually impaired. 

The trails connect campgrounds, day-use facilities and a 2.9 loop circles the marsh and provides important interpretive stations along the way.

The Upper Falls features a ½-mile paved walkway that provides ADA accessible viewing opportunities of the 50-foot-tall, 200-foot-wide waterfall.

These foot trails are located at F10 on the park map. The Discovery Center Trails is a network of seven different trails that traverse a total of 14 miles. Of these trails, the "Rockway" loop is the only trail that meets ADAAG standards for universal accessibility.

The William Field Memorial Hart-Montague Trail State Park is a paved, 22-mile trail passing through rural, forested lands. Scenic overlooks and picnic areas are located along the route. This is designated a wildlife viewing area.

This non-motorized handicap accessible trail connects the Gun Lake Campground with the Day Use area. Start at the campground, the trail enters a boardwalk crossing a bog area, then continues on a slag path and another boardwalk parallel with the Day Use entrance road and leads to the handicap fishing pier on Gun Lake.