Colombia offers a decent array of volunteering opportunities in education, the environment and social fields. Most major international volunteer boards have in-country listings.
One worthwhile local organization is Goals for Peace (www.goalsforpeace.com) in Bucaramanga where volunteers can help out giving English classes, sports training, arts and crafts workshops or with homework assistance.
While some hostels will offer travelers 'volunteer' positions in exchange for food and board, this is technically illegal as it takes jobs away from Colombians.
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