Navajo Sandstone of the Double Arch Alcove - Kolob Canyons - Zion National Park
Taylor Creek Trail to Double Arch Alcove contains a treasure-trove of exposed geologic features in a relatively short distance. In the 450 feet of elevation from trailhead to alcove, the hike passes through three geologic formations. Like most box canyons, the hike starts at the lower, wider part of the canyon and climbs to narrower, higher walls on both sides. The towering wall seen from the north side of the canyon is Tucupit Point, and the wall seen from the south side is Paria Point. The hike ends at the alcove carved into Navajo Sandstone.
Geology aside, you can enjoy the sheer beauty of this hike because of the creek's waterfalls, the pines and junipers, and the colors and patterns on the rock. The Larson homestead cabin, built in 1930, lies at the confluence of the Middle Fork and North Fork of Taylor Creek. The Fife homestead cabin is located further up the trail. Both are preserved well, and you can imagine what it might be like living through cold winter nights in this canyon.
Early morning is the best time to hike along the Middle Fork of Taylor Creek to Double Arch Alcove because of the quality of the light. As the rising sun shines on towering red rock walls along the creek, it reflects an orange glow onto everything in the canyon. I feel like I'm enveloped in a soft light that relaxes me as I hike further. Everything is still, devoid of harsh shadows and colors are vibrant. The orange sand is soft underfoot and the creek crossings don't create an interruption in our stride.
Small pond near creek where leaves were slowly circling together in a counter-clockwise direction
Kanarraville Fold seen in Middle Fork Taylor Creek in the Dinosaur Canyon member of the Moenave Formation
- note chevron structure of folds due to compressional stresses placed on the rock
During the Mesozoic Era, Western North America was in a mountain-building phase with compressional forces due to the Pacific Plate sliding underneath the North American Plate. The rocks of the Kolob Canyons were squeezed, compressed and uplifted. In the Middle Fork Taylor Creek Canyon, this resulted in the Taylor Creek Thrust-Fault Zone and the Kanarraville Fold. The photo above was taken on Thanksgiving 4 years ago when Fred and I first hiked this canyon.
Gray limestone with bivalve fossils probably from the lower Carmel Formation
Gustive Larson Cabin circa 1930
Reflection from Tucupit Point into Middle Fork of Taylor Creek
Middle Fork of Taylor Creek - Kolob Canyons - Zion National Park
Double Arch Alcove
The scenery becomes more intense as you walk up the canyon. Then suddenly a wall of orange and red Navajo sandstone with black mineral stains looms above. The lower arch provides a wide alcove with water seeping from its walls. This is in fact what probably the impetus for the lower arch formation. Ground water seepage weakens and dissolves the cement between sandgrains, breaking down the sandstone. Blocks of sandstone then fall from the arch, accumulating below it only to be carried away by wind and water.
The blind upper arch appears high above the lower arch.
The whole scene is enveloped in a warm orange glow that is a reflection of light from the north canyon wall. The terrain is devoid of footfalls because of the soft orange sand. The green trees contrast with the orange and red. And to have some snow along the way as we did when we hiked this trail on Thanksgiving 2013 was an added bonus.
Yucca in Snow Canyon State Park near St. George, Utah
Biek, R. F., Geologic Trail Guides to Zion National Park, Utah - Kolob Canyon Trails - Middle Fork of Taylor Creek Trail. Utah Geological Survey
Website - "Watching for Rocks - Travels of a Sharp-eyed Geologist". Blog post April 21, 2011
Website - "Zion National Park - Plate Tectonics"
About this blog
– "explorumentaries" list trip stats and highlights of each hike or bike ride, often with some interesting history or geology. Years ago, I wrote these for friends and family to let them know what my husband, Fred and I were up to on weekends, and also to showcase the incredible land of the west. I hope to hear about your adventures!
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