Celebrate the trails of Pioneer Park while hunting for hints and clues! Pick up your letterbox clue book, make a stamp and start hunting! Pick up a Clue Book starting June 3 from the Community & Event Center, Luther Burbank Park Admin Office, or the South End Starbucks. Pioneer Park has 6.6 miles of trails for hiking, running and walking. Come outside and play! Meet us in the NW quadrant along 68th (across from Starbucks). All ages, FREE!