The Virgin River in Utah cut into the Colorado plateau to a depth of 1000 m. The anabranches of this river additionally cut the Zion area into three regions by forming deep and narrow canyons. Here, the walls form a slot canyon in that daylight gets only by indirect reflected light. The red sandstone is of Jurassic age and contains trace fossils of dinosaurs. This is not only the most beautiful anabranch of the Virgin River but also the most difficult part to reach in Zion Canyon.
Canon 20D, EF-S 10-22mm, f/22, 16sec, ISO 100, tripod