June 23, 2018 News twinvalleyzoo Open all Canada Day weekend! We are open all Canada Day weekend! Come bring the family and celebrate Canada’s birthday at the zoo. Related Articles 4th Annual Autism “Family Day at the Zoo”, Saturday July 7th, 2018 Posted On May 23, 2018 Twin Valley Zoo is proud to host the Hamilton chapter in its 4th year of: "Family Day at the Zoo". This year's date is Saturday… Mothers are Free on Mother’s Day, May 14th, 2017 Posted On April 30, 2017 Twin Valley Zoo wishes all mothers a Happy Mother's Day and in honour of mothers everywhere all mothers (accompanied with a child) are free on… 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.