Visitors can enjoy camping, hiking, boating, canoeing, fishing, swimming, mountain biking, and wildlife and bird watching.The Walnut Slough Paddling Trail, Sandy Creek Paddling Trail and Neches Paddling Trail are three trails through and around Martin Dies, Jr. State Park that offer a variety of experiences on the park's backwater sloughs along Spring Creek, the wide open B.A. Steinhagen Reservoir, and the fast-moving Neches River, all filled with amazing wildlife watching opportunities. Enjoy 3 to 16 miles of trails, depending on the route you choose.
The Nature Center contains numerous hands-on activities for children and adults. Programs are offered every weekend in canoeing basics, nature walks, plants, animals and other outdoor subjects and recreational activities. For information on the schedule for these activities, contact the park. Group tours are by reservation. Guided canoe trips down the Angelina or Neches river are available on the third Saturday of every month, except August.