Texas Master Naturalist Jim Varnum will lead a nature walk through the park. O.S. Gray Natural Area 2021 W. Abram St. Arlington, TX United States Event URL Event Tags Bird & Nature Walks Environment Environmental Organization or Group Family Friendly Gardening Wildlife Date and Time Sat, 04/13/2013 - 14:00 - Sat, 04/13/2013 - 17:00