The infamous 3 Dune Challenge at Indiana Dunes State Park isn’t just your regular hike—it’s a test of grit that’s captured the hearts (and legs) of adventure-seekers everywhere.
If you’re ready for an exhilarating trek that demands every ounce of your energy, this trail is your next thrill. Strap on your boots and channel your inner explorer!

Located in the heart of the Indiana Dunes region, this 1.5-mile loop trail challenges hikers to summit three of the tallest sand dunes in the park – Mount Jackson (176 feet), Mount Holden (184 feet), and Mount Tom (192 feet) – offering breathtaking panoramic views of the surrounding landscape and Lake Michigan.
The 3 Dune Challenge is renowned for its strenuous terrain, with steep 40-degree inclines and deep, shifting sand that can make each step a true test of endurance.
Hikers often find themselves taking two steps forward and sliding one step back as they ascend the dunes, requiring a significant amount of physical effort and determination.
That clarified, the sense of accomplishment that comes with conquering these towering sand hills is unparalleled, making the challenge well worth the effort for those seeking an unforgettable outdoor adventure.
To complete the 3 Dune Challenge, hikers must follow a well-marked trail that begins at the Indiana Dunes State Park Nature Center.
The route takes them through a series of trails, including Trail 8, Trail 4, and a paved road through the campground, before reaching the summit of each dune.
While the initial climb up Mount Jackson may be the most challenging, the subsequent ascents of Mount Holden and Mount Tom, the latter of which features a series of stairs, can provide a welcome respite for weary hikers.

Upon completing the 3 Dune Challenge, adventurers can visit the Indiana Dunes Visitor Center to claim their badge of honor. Here, they can purchase a commemorative t-shirt or hoodie and pick up a free bumper sticker, proudly displaying their achievement to the world.
The visitor center also serves as a hub for information on other outdoor activities and attractions in the Indiana Dunes region, making it a must-visit destination for those seeking to fully immerse themselves in the natural beauty of this unique and captivating landscape.
Whether you’re an experienced hiker or a newcomer to the outdoors, the 3 Dune Challenge at Indiana Dunes State Park offers an unforgettable adventure that will test your limits and leave you with a deep sense of accomplishment.
So, if you’re ready to conquer the tallest sand dunes in Indiana and bask in the glory of your achievement, this iconic trail is waiting for you to take on the challenge.
Useful Information
- The 3 Dune Challenge is considered a strenuous hike, but it is still doable for most ages and ability levels, provided hikers take their time and pace themselves.
- The trail is described as challenging, with steep 40-degree inclines and deep, shifting sand that can make each step difficult.
- It takes an average of 1.5 – 2 hours to complete this challenge.
- The climate at Indiana Dunes State Park is characterized by a mix of warm summers and cold winters, with significant seasonal variations in temperature and precipitation.
- Spring and Fall: These seasons offer mild temperatures and fewer crowds, making them ideal for hiking the 3 Dune Challenge. Spring brings blooming wildflowers, while fall offers vibrant leaf colors.
- Summer: While summer can be hot and humid, it is still a good time to hike if you start early to beat the heat and humidity. However, it can be crowded, so planning ahead is essential.
- Dress in layers that are appropriate for the weather conditions.
- Wear sturdy hiking shoes or boots with good traction. The deep sand and steep inclines require proper foot support.
- Trail shoes are highly recommended, as regular sneakers may not provide enough grip on the shifting sands.
- Since the 3 Dune Challenge involves hiking up and down large sand dunes, it’s helpful to train on similar terrain.
- If possible, find a local beach, sand dunes, or even a steep hill to practice hiking on before the challenge. This will help your body adjust to the challenging footing and inclines.

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