Niagara Falls State Park is free to enter.

Yes. You can walk up to the falls overlooks without paying a dime.

The park itself is a public space — no admission gate, no ticket booth at the entrance. You just… walk in. That includes the main viewing areas like Prospect Point, Luna Island, and Terrapin Point. If you want to park in the official lot, that costs money. If you want to ride the Maid of the Mist or go into the Cave of the Winds, those are separate tickets. But standing at the rail and getting misted in the face? Totally free.

Pro tip: park somewhere else and walk in. The lots are a racket.