A roughly 75-foot plunge into a large emerald swimming hole in the Bighorn National Forest near Lovell, Wyoming. The short trail descends steeply, including 90-plus stairs, and is a popular summer swimming destination.

At 75 ft, it stands above roughly 57% of the 775 documented falls in this guide.

Porcupine Falls sits on Porcupine Creek. You'll find it in Big Horn, Wyoming. It is protected within U.S. Forest Service (Bighorn National Forest).

This is a short hike waterfall: reached by a short trail, generally under about a mile each way. A short walk gets you to the viewpoint, so it works for most casual visitors and families. The walk to the main viewpoint runs about 0.8 miles round trip. Base a visit out of Lovell, the closest town.

When to go: June to September. Expect the strongest flow in spring and after big storms, with a quieter trickle by late summer; confirm current conditions with the land manager before committing to the drive.