Maybe about 20m long
The hayride itself isn't terrible long. I'd say about 15 minutes. But it is through woods and they do have it nicely done up with lighting and scenes and actors that interact with the wagon pretty frequently. The haunted walking trail, which I highly recommend doing, can last as long as you want, depending on how fast you go. That's what is nice about it....no one rushing you through.
It is about 10 to 15 minutes.
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