February 10, 2010 09:15 AM

From a blizzard and hailstorm to altitude sickness and exhaustion, a group of Hollywood stars and activists battled the elements to climb Mt. Kilimanjaro last month. PEOPLE.com has a first look at the documentary that captured their journey.

While fans followed the group’s progress online, cameras filmed the stars – including Jessica Biel, Emile Hirsch and Isabel Lucas – as they decontaminated water with local villagers, camped in the brutal weather conditions, and eventually completed the grueling seven-day trek to the top of Africa s tallest mountain.

The expedition, dubbed “Summit on the Summit,” was organized by musician Kenna to raise awareness of the global clean water crisis. The full documentary will air March 14 at 9 p.m., on MTV.

For more on their adventures, visit summitonthesummit.com.
Marisa Laudadio
RELATED: Jessica & Emile’s Star-Studded Mountain Expedition

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