The DCR is steward to one of the largest and most diverse state park systems in the nation, which includes more than 450,000 acres of parks, forests, water supply, protection lands, beaches, lakes, ponds, playgrounds, swimming pools, skating rinks, trails, golf courses, and parkways. Through the stewardship of open spaces, the protection of environmental resources, and the advancement of clean energy, EEA works tirelessly to make Massachusetts a wonderful place to live, work, and raise a family.