Tatahoysa Canyon, Technical Canyoneering in the Grand Canyon 0 Tatahoysa is a short technical canyon in Marble Canyon. It is just north of the confluence of the Colorado River and the Little Colorado River. [Show slideshow] Tatahoysa Canyon, Technical Canyoneering in the Grand Canyon2012-11-122015-02-12https://shadowcatadventures.com/wp-content/uploads/sca-logo-website.pngShadow Cat Adventureshttps://shadowcatadventures.com/wp-content/uploads/DSC_0874.jpg200px200px