Sedona Community Pool Pumpkin Splash is an autumn annual event that’s fun for the entire family. Sedona AZ (October 1, 2016) – The Sedona Community Pool, 570 Posse Ground Road in Posse Grounds Park, west Sedona, will remain open this fall through November 20, 2016, from 7:00 a.m. until 2:00 p.m., Monday through Thursday, and 7:00 a.m. until 4:30 p.m. on Saturday and Sunday. The pool...