Image description: Holiday Hike heading. 9am at 12/24 in Discovery Park, Seattle. Kick of Christmas weekend with friends, fresh air, and a festive exploration of Discovery Park in Seattle! Discovery park is a 534 acre natural area park and the largest park in the city. 2.8 mile trail, great for families and all fitness levels. Led by Mark Adams and Bullet. Please register and meet at the visitor center at 8:45 am.