Silver Grotto

Silver Grotto Canyoneering Canyoning Caving

Also known as: Twentynine Mile Canyon; 29 Mile Canyon; Shinumo Wash; Shinomu Wash; 29-Mile Canyon.

Rating:	Log in to rateLog in to rateLog in to rateLog in to rateLog in to rate 4.3 (26 ratings)
‌	Difficulty:‌3B V (v3a2 V) Raps:‌max ↨50ft Metric Overall: 1-2 days  ⟷9mi Yes Red Tape:‌Permit required Shuttle:‌None Vehicle:High Clearance Watercraft:Yes
Location:	36.5264, -111.8303
Condition Reports:	9 Nov 2025 "A great, short canyon to do from a rafting trip. Very high reward for low effort! If youre a rafter and a canyoneer and only do one canyon on a Grand
Weather:
Best season:	Spring;Fall winter spring summer fall Dec Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov
Regions:	North America United States Arizona Grand Canyon

https://adamhaydock.blogspot.com/search?q=shimuno+wash,http://ropewiki.com/User:Super_Amazing_Map?id=Silver_Grotto_(Shinomu_Wash)_-_Grand_Canyon,http://ropewiki.com/User:Grand_Canyoneering_Book?id=Twentynine_Mile_Canyon,http://canyonchronicles.com/shinumo-wash?kmlidx=205701186783545362755.0004e5224f2116e9d007d,http://toddshikingguide.com/Hikes/Arizona/GrandCanyon/Canyon23.htm

https://www.canyontales.com/tale/?i=silvergrotto,http://candition.com/canyons/29-mile-canyon

http://canyonchronicles.com/shinumo-wash?kmlidx=205701186783545362755.0004e5224f2116e9d007d

36.5264, -111.8303https://ropewiki.com/luca/rwr?gpx%3Doff&filename%3DSilver_Grotto&kmlnfx&kmlx%3Dhttp://canyonchronicles.com/shinumo-wash?kmlidx%3D205701186783545362755.0004e5224f2116e9d007d&ext%3D.kmltopo

GPS data automatically extracted from canyonchronicles.com, please visit their site for more detailed information.

Automatic GPS data extraction NOT allowed, please visit canyonchronicles.com to download GPX.

How to create a map | Open CalTopo | Printable Map

Extract KML / GPX | Open in CalTopo | Printable Map

Extract KML / GPX | Open in CalTopo | Printable Map

Upload a KML map

Beta sites

EVEN FURTHER SHIMUNO WASH

• Super Amazing Map  : Silver Grotto (Shinomu Wash)
• Grand Canyoneering Book by Todd Martin  : Twentynine Mile Canyon
• CanyonChronicles.com  : Shinumo Wash
• ToddsHikingGuide.com  : Shinumo Wash (Twenty

Trip reports and media

• Tom Jones on Canyon Tales : Silver Grotto Canyon
• Candition.com  : 29 mile canyon

Background

Incidents

Credits

Silver Grotto

Information provided by automated processes. Main photo by (unknown). Authors are listed in chronological order.

In all habitats live animals and plants that deserve respect, please minimize impact on the environment and observe the local ethics. Canyoneering, Canyoning, Caving and other activities described in this site are inherently dangerous. Reliance on the information contained on this site is solely at your own risk. There is no warranty as to accuracy, timeliness or completeness of the information provided on this site. The site administrators and all the contributing authors expressly disclaim any and all liability for any loss or injury caused, in whole or in part, by its actions, omissions, or negligence in procuring, compiling or providing information through this site, including without limitation, liability with respect to any use of the information contained herein. If you notice any omission or mistakes, please contribute your knowledge (more information).