Discover the best outdoor family adventures in the Northeast—from mountain hikes to Medford staycations—with fun activities for kids and pets. Explore places like the Fells, Wright’s Pond, and the Mystic River. Learn what to pack, how to stay safe, and how to turn any outing into a nature-filled learning experience. Includes pet-friendly tips, packing checklists, and ideas for games, books, and eco-toys to make every summer day outside unforgettable.