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6.15km
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Hiking
Hike the easy 3.8-mile Mule Ears Trail in Big Bend National Park to see distinctive rock formations and a desert oasis.
Last updated: February 26, 2026
Tips
Your route passes through a protected area
Please check local regulations for:
Big Bend National Park
Waypoints
Start point
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15 m
Highlight • Viewpoint
Tip by
3.08 km
Highlight • Natural
Tip by
6.15 km
End point
Way Types & Surfaces
Way Types
6.14 km
Surfaces
6.14 km
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Elevation
Highest point (930 m)
Lowest point (860 m)
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This route was planned by komoot.
The primary hike to Mule Ears Spring is approximately 3.8 to 4 miles round trip and typically takes about 2 hours to complete. If you extend the hike beyond the spring towards Smoky Creek for an unobstructed view of Mule Ears Peak, the total distance becomes about 5.9 miles round trip.
The trail traverses classic Chihuahuan Desert terrain, featuring rolling landscapes, dry washes (arroyos), and low divides with some ascending and descending. Expect to navigate loose gravel and unsteady footing, with short but steep climbs out of washes. You'll pass through the foothills south of Trap Mountain.
The trail offers stunning views of the majestic Mule Ears Viewpoint, featuring the distinctive twin pillars of black igneous rock. A significant highlight is Mule Ears Spring, which creates a lush desert oasis with cottonwood trees, shrubs, and ferns. Near the spring, you'll also find the remains of a historic rock corral.
No, dogs are generally not allowed on trails in Big Bend National Park, including the Mule Ears Trail. This regulation helps protect the park's fragile ecosystem and wildlife.
The cooler months, from late fall through early spring (October to April), are generally the best time to hike in Big Bend National Park. Summers can be extremely hot, making hiking challenging and increasing the risk of heat-related illnesses.
Yes, absolutely. Big Bend's arid climate requires hikers to carry plenty of water. The National Park Service recommends at least 1 gallon (approximately 3.8 liters) of water per person per day, even for shorter hikes like this one.
The Mule Ears Trail is located in Big Bend National Park, Texas. Parking is available at the trailhead, which is typically well-marked within the park. It's always a good idea to arrive early, especially during peak season, to secure a spot.
While there isn't a specific permit required for the Mule Ears Trail itself, you will need to pay the standard entrance fee to Big Bend National Park. This fee provides access to all areas of the park, including its trails. You can find current fee information on the official NPS website.
The Mule Ears Trail is primarily an out-and-back trail. You hike to Mule Ears Spring and can choose to extend further towards Smoky Creek before returning the way you came.
You'll encounter diverse Chihuahuan Desert plant life, including sotol, lechuguilla, yuca, ocotillo, and various cacti. Around Mule Ears Spring, the oasis attracts wildlife such as birds, leopard frogs, and dragonflies, providing a stark contrast to the arid surroundings.
Yes, the Mule Ears Trail is generally considered easy to moderate, making it suitable for beginners or those looking for a less strenuous hike. While there are some short, steep climbs out of washes and loose gravel, the overall elevation gain is manageable for most.