ST. LOUIS – You will no longer need reservations to enjoy the St. Louis Zoo. Its site says starting Monday, May 23, the zoo will no longer limit attendance and guests do not need reservations. 

The zoo’s extended summer hours are also underway. They run now through August 14. 

• 8 a.m. to 5 p.m. — Sunday* through Thursday
  *Zoo opens at 9 a.m. Sunday, May 22 (Make Tracks through the Zoo)
  *Zoo closes at 4:30 p.m. on Wednesdays, May 25, June 22, July 27 (Night at the Zoo ticketed event

• 8 a.m. to 7 p.m. — Friday** and Saturday
  **Zoo closes at 3 p.m. on Friday, June 17 (A Zoo Ado ticketed event)

• 8 a.m. to 7 p.m. — Memorial Day Weekend (Friday through Monday, May 27-30)

• 8 a.m. to 5 p.m. — Independence Day (Monday, July 4)

If you are planning a visit before May 23, you can make a reservation here.