Climbers and trekkers from all backgrounds with the same purpose

Who is behind The Big Climb?

The Founder of The Big Climb, Tim Challen was shot and injured during an armed robbery in Nairobi, Kenya. He subsequently founded non-profit Kilimanjaro Initiative (KI) to assist youth from disenfranchised communities in Kenya and Tanzania. The flagship initiative of KI is the annual climb of Mount Kilimanjaro, 5895m.

Since 2006, he has led over 650 climbers to the summit of Africa, to raise awareness on social issues affecting our communities.

In 2021, the Big Climb was re-branded, initiating a global movement and alumni of climbers who have been engaged since 2006, climbing together for diverse causes.

In 2022, the International Year of Sustainable Mountain Development, the Big Climb expanded to Nepal with a trek to the Everest Base Camp bringing together youth and multiple partners to bring support to local communities living at the foot of Mount Everest.

 A United Team

The Big Climb to the summit of Mt Kilimanjaro brings together 25 climbers from all backgrounds. The team includes youth from disenfranchised communities, representatives from the private and public sectors. The climbers will be assisted by a support crew of 75, including guides, cooks and porters.

Presenting the Team


Become a Team Member

You can be a part of The Big Climb Team! Organize an activity in support of our efforts. Highlight your activity through social media, using #thebigclimb. Raise awareness about the need for Diversity, Equity, and Inclusion.

The Big Climb Partners



Contribute to raising awareness and funds for sustainable mountain development projects. Post your achievement on Facebook, Instagram and Twitter using #SupportTheBigClimb

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Want to support this mission?

Be a part of The Big Climbs. In parallel with the Mount Kilimanjaro climb and Mount Everest Basecamp trek, organize your own activity. Raise awareness on the need to support sustainable mountain development. Raise funds for projects that will make a difference in communities, using mountains as vehicle for creating better and more sustainable lively hoods.

Funds will go to recognized community-based projects.