The tiny town of Metaline Falls sits nestled up in Pend Oreille County near the Canadian border. And with a population of 245, it’s safe to say most Washingtonians have never been. But if you do happen to make it to that corner of the state, exploring Gardner Cave is a must.
![](https://img-aws.ehowcdn.com/700x/www.onlyinyourstate.com/wp-content/uploads/2019/02/entrance-to-the-cave.jpg)
The park — and the cave — are open from mid-May until early September.
![](https://img-aws.ehowcdn.com/700x/www.onlyinyourstate.com/wp-content/uploads/2019/02/some-cave-formations.jpg)