Walking the trails: It's a gentle, low-impact form of exercise that's easy, free and suitable for people of all ages and most abilities. FIVE HABITAT TYPES Almost 100 acres consisting of wetlands, coniferous forest, oak prairie, deciduous forest HISTORIC BARN The barn is on the list of historic barns of Pierce County. A NEW BOARD-WALK & TRAILS A new boardwalk was completed in 2013 that provides new access to the wetlands of Muck Creek, as well as the forested hillside and newly constructed trails beyond. A new boardwalk was completed in 2013 that provides new access to the wetlands of Muck Creek, as well as the forested hillside and newly constructed trails beyond.