Summer 2025 Registration is Open!

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 2025 Outdoor Camps

Click on the images below for program details and to register!

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

Explorer’s Club Nature Day Camp

Rising 2-4 Graders - 8/18-8/21

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

Best of the Midcoast Adventure Day Camp

Rising 5-7 Graders - 8/4-8/7

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