It is zero cost at the gate, but you would have to pay for food, drink, train, souvenirs and carousel. If you want any of those things.
Free entrance
It free to enter zoo. Although, there if a fee to park, but if you go early streeet parking in areaa is free
Free
There is no entry free, however parking is $26. There is free parking on the surrounding streets.
There is no cost or tickets, you just walk straight in
Entry is free.
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