• Spires of Cedar Mesa sandstone in Chesler Park (Needles District)

    Canyonlands

    National Park Utah

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  • Some unpaved roads are closed

    Recent rains have caused extensive damage to some roads in the Needles District and some of the roads into the Maze District. More »

  • Safety in Bear Country

    Black bears have been seen in the Needles, Maze, and along the Colorado River. Be alert and store food and garbage properly: in hard-sided, latched containers (or your vehicle) when not being prepared or consumed. More »

  • New backcountry requirements in effect

    Hard-sided bear containers are required for backpackers in parts of the Needles District. More »

Organ Rock Shale

photo: Remnants of Organ Rock Shale form many spires in the Maze District's Land of Standing Rocks.
Remnants of Organ Rock Shale form many spires in the Maze District's Land of Standing Rocks.
Photo by Mike Hill
 

Deposited:
Permian Period (245 to 286 million years ago)

Depositional Environment:
Marine lowlands, braided streams and tidal flats

Appearance:
Dark red, lumpy mudstones/sandstones (forms towers with protective White Rim caprock)

Examples:
Towers in Monument Basin at the Island in the Sky District as well as in the Land of Standing Rocks in the Maze

Did You Know?

Rapids in Cataract Canyon

The highest recently recorded flow in Cataract Canyon is 114,900 cfs in 1984. However, scientists dating driftwood piles estimate that in 1884, the river may have reached 225,000 cfs. More...