Summit on the Summit is a group of actors, musicians, and friends of singer, Kenna, who climbed Mt. Kilimanjaro to create awareness for the global clean water crisis. Lupe Fiasco, Santogold, Emile Hirsch, and Jessica Biel were among the celebrities involved with the Summit. The peak of Kilimanjaro is 19,340 above sea level, and their hike is a total of 40 miles around the mountain.

Check out the full documentary on their climb (with an introductions by Justin Timberlake), split into 4 parts below. You can head over to the official site to sponsor a foot of the climb, equal to 1 liter of clean water.