September 13, 2018 News twinvalleyzoo Boo at the Zoo, Sunday October 28th, 2018 Come join us for Boo at the Zoo! Related Articles Opening Day May 5th! Posted On April 10, 2018 Come join us on Saturday May 5th at 9am for our Opening day! A Wonderful 25th Anniversary! Thank You! Posted On August 24, 2015 Last weekend the Brantford Twin Valley Zoo celebrated our 25th anniversary and we would like to send a special thank you to all of the… Twin Valley Zoo Open on Canada Day! Posted On June 30, 2017 We are open for Canada Day! Come bring the family and celebrate Canada's 150th at the zoo.