Camps with nature in New Hampshire
Booka lists 36 camps that offer nature in New Hampshire. Each listing is researched from the camp's own website, so the details below are as the camp publishes them. Most are around Bedford, Center Tuftonboro, and Goffstown. 25 run day programs and 11 run overnight programs (some offer both). 9 of them publish a weekly price: the lowest starts at $265, the highest runs to $440 a week, and the typical starting price is about $295. Together they serve campers from age 3 to 18.
These camps list this activity among what they offer on their own sites. Check with the camp for which sessions include it and for the ages it's available to.