Summer 2026 Registration Opens 1/15

MountainSea offers outdoor day programs, day camps, and multi-day expeditions for adventurers of all ages and abilities, over land, fresh water and sea.

Summer 2026 Outdoor Camps

Click on the images below for program details - Registration opens 1/15!

Children playing and creating in the Explorer's Club Nature Day Camp

Explorer’s Club Nature Day Camp

Rising 1-4 Graders

Two youth canoe in the Best of the Midcoast Adventure Day Camp

Best of the Midcoast Adventure Day Camp

Rising 5-7 Graders

Founded in 2021, MountainSea Expeditions weaves together science, nature, and adventure with people of all ages and abilities.