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Calleva Profile



9936 Fisher Ave.

Poolesville, MD, 20837

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Company Description

Remembering where we have been is important of understanding who we are and where we are going.

2017 will mark our 24th anniversary, and we can honestly say that this journey has been full of surprises and adventures!!  Nick, Alex & Matt Markoff founded Calleva in 1993 as a small summer camp.  Today, Calleva is known as an innovator in outdoor education, with 100+ school and community partners in the DC metropolitan area. Our success is built upon the passion of our founders, who love introducing kids to the outdoors and teaching them to achieve their very best in every activity.

Calleva was initially modeled after Valley Mill Camp, where the Markoff brothers grew up working with their family.  However, over the years Calleva has developed its own unique brand of outdoor adventure that encompasses summer camp, wilderness educational experiences, environmental education and small-scale sustainable farming.  Rather than headquarter all of our activities in a single location, Calleva has created an innovative variety of MOBILE programming, taking participants to the best parks, trails, rivers and rocks in our region while operating an educational farm in Montgomery County’s Agricultural Reserve.