Lake Powel-giant weathering pits
Trail photos
Author
Trail stats
- Distance
- 0.5 mi
- Elevation gain
- 253 ft
- Technical difficulty
- Moderate
- Elevation loss
- 0 ft
- Max elevation
- 3,870 ft
- TrailRank
- 23
- Min elevation
- 3,613 ft
- Trail type
- One Way
- Coordinates
- 71
- Uploaded
- October 17, 2008
- Recorded
- October 2008
near Wahweap, Arizona (United States)
Viewed 2789 times, downloaded 42 times
Trail photos
Itinerary description
Very large, deep, straight-sided pits in Entrada sandstone. These are larger, deeper with straighter sides than potholes formed by water erosion along desert water courses. There is no evidence of water exit, except by evaporation or absorption by the sandstone below. A search on the internet will show you a collection of books and geological papers explaining this phenomena.
Current access to the beginning of this hiking route is by boat.
Current access to the beginning of this hiking route is by boat.
Waypoints
Mooring point
3,600 ft
trail head
No place to anchor your boat here. Either leave someone with the boat or park at a nearby beach and kayak to this spot.
Comments (2)
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These are called Gnamma pits.
Thanks for the update.
Here are some geologic references. These pits are in the vicinity of Cookie Jar bluff as mentioned in this article:
http://www.osti.gov/energycitations/product.biblio.jsp?osti_id=5022386