Alcatraz water tower Alcatraz water tower Alcatraz water tower is on Alcatraz Island in the San Francisco Bay, off the coast of San Francisco, California. It is located on the northwestern side of the island, near Tower No. 3, beyond the Morgue and Recreation Yard. The water tank is situated on six cross-braced steel legs submerged in concrete foundations. As Alcatraz had no water supply of its own, it had to import it from the mainland, brought by tug and barge. During the island's military years, it was stored in ground tanks and cisterns situated on the roof of the citadel. The water
Escape from Alcatraz (triathlon) foot race, but by making it an out-and-back run rather than a one-way course, became known as a "Double Dipsea". The course has remained the same over the years and celebrated its 35th anniversary in 2015. Participants are limited to members of the Dolphin Club and The South End Club. The Dolphin Club is the host and sponsor of the event. The annual public Escape from Alcatraz triathlon, organized by IMG, now takes place in early June. The current course consists of a swim starting near Alcatraz Island, a run from the bay to the transition zone at Marina Green,