Supai Group, (4 units, Pennsylvanian–Permian) 4 – Esplanade Sandstone, (Permian)(Typically forms a resistant (& thick) cliff, thickening in Western Grand Canyon) 3 – Wescogame Formation 2 – Manakacha Formation 1 – Watahomigi Formation (no Surprise Canyon Formation) Redwall Limestone Temple Butte Formation Muav Limestone, (Tonto Group, unit 3 of 3) Bright Angel Shale, (Tonto Group, unit 2 of 3) 3 – Shinumo Quartzite-(Unkar Group, 1–3 of 5) 2 – Hakatai Shale 1 – Bass Formation Vishnu Basement Rocks Trinity Canyon/Trinity Creek landforms The headwaters of Trinity Canyon lies at the south face of Shiva Temple (Grand Canyon). The eastern watershed north to south is Isis Temple with two side canyons of the western extension arms of the Isis Temple. The western watershed north to south is the Claude Birdseye Point prominence on a western arm of Shiva Temple (Arizona). Next is a series of three connected landforms, lowering in height southward – Osiris Temple (ht 6613 ft), Horus Temple (ht 6150 ft), and Tower of Set (ht 6012 ft), bordering the outfall region into Granite Gorge and the Colorado River. Observation viewpoints Isis Temple can be viewed from the South Rim, from the viewpoints, west and east of Grand Canyon Village, Arizona. Hopi Point (west), and Yavapai Point (east), and Mather Point, are both at Grand Canyon Village, and due-south of Isis Temple. Isis Temple can be viewed from the North Rim, Bright Angel Point region; Isis Temple prominence is about 3-mi due south of Tiyo Point-(Tiyo Point Trail), and Isis and Cheops Pyramid are about 5-mi southwest of Bright Angel Point. References Additional sources Arizona Road & Recreation Atlas, Benchmark Maps, 2nd Edition, 1998, 112 pages, pp. 28–29, 62–63. Arizona DeLorme Atlas & Gazetteer, 5th Edition, 2002, 76 pages, pp. 31, 23. Chronic, Halka. Roadside Geology of Arizona, 1983, 23rd printing, Mountain Press Publishing Co. 322 pages. pp. 229–32 (US 89A Marble Canyon – Fredonia), pp. 179–180. (softcover, ) Lucchitta, 2001. Hiking Arizona's Geology, Ivo Lucchitta, 2001, Mountaineers's Books. (softcover, ) External links Isis Temple, (at Phantom Creek, Trinity Creek, Bright Angel Canyon), above Granite Gorge (lat-long.com), coordinates, Coconino County, AZ Geologic map – Isis Temple and Bright Angel Fault region Geologic map: Isis Temple region & Bright Angel Fault, website photos Grand Canyon, North Rim Grand Canyon Landforms of Coconino County, Arizona Mountains of Arizona Mountains of Coconino County, Arizona North American 2000 m summits Horsts (geology)