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Peak Challenge Hike

Test yourself against some of the most difficult hikes in the Franklin Mountains State Park.
8:00a to 2:00p
Sat, March 07, 2020
(915) 566-6441

Test yourself against some of the most difficult hikes in the Franklin Mountains State Park.

Considered by some to be the most difficult trail in Franklin Mountains State Park, the Ron Coleman trail begins in McKelligon Canyon with a steep incline over loose gravel and rocks leading to two natural rock shelters. The ridgeline provides a respite as you wander along the gentle rise which continues until you reach three sections of chain assisted rock ascents ranging from 15-40 feet. Be sure to stop in the middle of the second ascent to enjoy the view out the window! Shortly afterwards we will pass South Franklin Peak and make our way to “Mammoth rock.” The descent from the Mammoth can be very difficult to pick out and is steep and rocky. Once we reach the bottom, it is a short stroll to the Smuggler’s Pass Parking area off of Transmountain Road.

 This is a very strenuous hike of about 4 miles. Only experienced and fit hikers should attempt this trail. If you wish to accept the challenge, meet us at the Smuggler's Pass parking area off of Transmountain Road to carpool to McKelligon Canyon where we will start the hike.

Reservations required; to reserve your spot, call the office at (915) 566-6441.

Bring: water (I recommend 2-4 litters), snacks and/or a sack lunch, hiking boots/shoes, and comfortable clothes.

Optional: hiking stick, binoculars, camera, and a map.

*Hikers with less than 1.5 litters of water or inadequate gear will not be allowed to attempt this hike*

Fee: $8 for adults 13 years old and up; $3 for Texas State Park Pass holders.


  • From Westside on I-10, take exit 6 & travel east towards the mountains for 6 miles. Parking lot will be on the right. 
  • From Eastside on Hwy 54, take exit 29 towards Transmountain Rd, travel west 4.6 miles over the mountains. Parking lot will be on the left.
  • If using a GPS be sure to search for "Mammoth's trunk trail parking," not "Franklin Mountains State Park."