4.8
(4386)
17,541
runners
00:55
7.13km
150m
Running
Jog the Cardiac Hill and The Maze Loop, a moderate 4.4-mile trail in Franklin Mountains State Park with desert views and challenging climbs.
Last updated: February 26, 2026
Waypoints
Start point
Parking
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3.70 km
Highlight • Trail
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7.13 km
End point
Parking
Way Types & Surfaces
Way Types
4.77 km
2.29 km
< 100 m
Surfaces
4.02 km
2.28 km
747 m
< 100 m
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Elevation
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Sunday 17 May
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This route was planned by komoot.
The route is approximately 7.1 kilometers (4.4 miles) long and generally takes about 55 minutes to complete at a jogging pace. However, individual times may vary depending on your fitness level and how often you stop to enjoy the views.
The terrain is characteristic of a high-desert environment, featuring rocky areas, desert rock formations, and sandy washes. You'll encounter a mix of relatively gentle sections and more challenging parts, especially on Cardiac Hill, which is known for its strenuous inclines and some stones and minor erosion.
While the overall loop is often graded as 'Easy' to 'Blue' (moderate) for trail running, sections like Cardiac Hill are demanding. It's considered a challenging but manageable climb. Beginners should be prepared for rocky, uneven surfaces and significant elevation changes, and consider starting with shorter sections or walking the steeper parts.
Yes, the trail is dog-friendly! Please ensure your dog is kept on a leash at all times and remember to carry enough water for both yourself and your pet, especially in the desert climate.
You'll experience diverse desert scenery with impressive views of the Franklin Mountains. Expect interesting rock formations, beige boulders, scattered cacti, and possibly Joshua trees. Keep an eye out for wildlife such as jackrabbits, lizards, small birds, and roadrunners. Hawks are often seen circling overhead.
This route is located within Franklin Mountains State Park. Parking is typically available at designated trailheads within the park. It's always a good idea to check the park's official website for the most current parking information and any potential fees.
Yes, as this route is within Franklin Mountains State Park, an entrance fee is required. You can usually purchase day passes at the park entrance or visitor center. Check the Texas Parks and Wildlife Department website for current fee schedules and park regulations.
The best times to jog this loop are typically during the cooler months, from late fall through early spring. During warmer months, it's crucial to plan your activity for early morning or evening to avoid the midday heat. Wildflowers may be present in spring, adding to the scenery.
Due to the desert environment, it's essential to carry plenty of water, especially during warmer months. Sturdy footwear with good grip is highly recommended for the rocky and uneven terrain. Appropriate sun protection, such as a hat, sunglasses, and sunscreen, is also crucial. A first-aid kit is advisable for advanced hikes.
Yes, this route incorporates sections of several other trails within Franklin Mountains State Park. You'll jog along parts of the Cardiac Hill, Old Tin Mine Road, The Maze, and Fence Line Road, among others.
The most notable challenging section is 'Cardiac Hill' itself, which lives up to its name with strenuous inclines. 'The Maze' section is also rated as a 'blue difficulty' singletrack, characterized by a rocky labyrinth with large stone outcrops and massive boulders, offering a sense of exploration but also requiring careful footing.
The entire loop offers scenic views of the Franklin Mountains and the high desert landscape. The Cardiac Hill Hike & Bike Trail section provides excellent vantage points, and the rocky formations throughout 'The Maze' are a landmark in themselves, creating a unique visual experience.