Have you ever gone hiking along an aquarium? If not, it’s time to experience something truly unforgettable in Dutch John, Utah. Hiking the trail along the famous “A Section” of the Green River is about as close as you can get to walking beside a giant, living aquarium. With crystal-clear waters and over 8,000 trout per river mile, this stretch of river offers a rare and awe-inspiring glimpse into an underwater world teeming with life.
An Immersive Trail Experience
The trail along the A Section runs from the Flaming Gorge Dam to Little Hole, winding roughly 8 miles through towering red rock canyons, cottonwood groves, and riverside meadows. Whether you’re an angler, a wildlife enthusiast, or just someone who appreciates stunning natural beauty, this trail offers a front-row seat to some of the most picturesque scenery and vibrant ecosystems in the West.

You’ll likely spot brown, rainbow, and cutthroat trout darting through the water just feet away from the shore. The clarity of the Green River makes it easy to observe fish behavior as they rise to catch insects, chase nymphs, or rest in eddies. With a good pair of polarized sunglasses, you’ll feel like you’re peering straight into an aquatic wonderland.
Wildlife Beyond the Water
While the trout are the stars of the show, the surrounding wilderness is equally impressive. Keep your eyes peeled for mule deer, bighorn sheep, and beavers, as well as a variety of birdlife including osprey, eagles, and colorful songbirds. This combination of aquatic and terrestrial wildlife makes every step of the hike exciting.
Trail Tips for a Safe and Enjoyable Adventure
To make the most of your hike along the A Section, here are some important tips:
- Plan Your Hike: The trail is approximately 8 miles one way. If you’re hiking point-to-point (from the Dam to Little Hole or vice versa), consider hiring a local fly shop to shuttle your vehicle. If you go with this option, select Ramp 1 at the Dam.
- Bring Water and Snacks: The trail is remote and without services. Carry enough water and high-energy snacks to fuel your day.
- Wear Polarized Sunglasses: These cut glare from the water’s surface, allowing you to see the fish more clearly and appreciate the underwater spectacle.
- Choose the Right Footwear: The terrain varies from sandy stretches to rocky sections. Good hiking shoes are essential for comfort and safety.
- Prepare for the Weather: Weather in the canyon can change rapidly. Unexpected rainstorms are common. Dress in layers, bring a light waterproof jacket, and check the forecast before heading out.
Make It a Dutch John Adventure
Whether you hike the entire 8 miles or just enjoy a portion of the trail, the A Section offers something for everyone. At Dutch John Adventure Outpost, we can help you plan your day with gear rentals, shuttle recommendations, and local insight. Bring your camera, your curiosity, and maybe even your fishing rod—and get ready to hike along one of nature’s most remarkable aquariums.
Book your stay today and turn your hike into a full adventure getaway!

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