This 7-day backpack trip explores the entire length of Forbidding canyon from its headwaters in the "kettle" almost to its downstream end where the canyon enters Lake Powell.   The 2014 trip is scheduled for September 21-27.  For more information or to sign up for the 2014 trip, go to Forbidden Heart of the Rainbow, Navajo Indian Reservation, Arizona and Utah - Sierra Club Outings.