Twin Falls
- Height
- 120 ft
- Road
- Paved
- Permit
- Not required
Twin Falls drops about 120 ft on Snake River in Jerome County, Idaho. See every spot on the Snake River.
Closures and warnings
Canyon-rim viewing; unfenced edges in places. Flow can drop to nearly dry when most river volume is diverted through the power plant. As of September 29, 2026.
The falls
| Height | 120 ft |
|---|---|
| Flow note | Original twin plunges ~120 ft; dam diverted one channel. Remaining fall often ~80 ft; spring snowmelt is the best flow window. |
Access
| Road | Paved |
|---|---|
| Road note | Upstream (east) of Shoshone Falls on the Snake River canyon rim; dam and powerhouse sit on the historic twin channels. |
| Parking | Idaho Power Twin Falls Power Plant Park day-use area with picnic tables, boat ramp, and falls overlook above the dam. |
| Fee | No public day-use fee published for Idaho Power's Twin Falls Power Plant Park. |
| Hours | Day-use park; scenic flows over the falls follow Idaho Power's licensed aesthetic release schedule (see operator notices). |
| Reservation or permit | Not required |
| Managed by | Idaho Power (Twin Falls Dam hydropower); public canyon-rim viewing nearby |
| Note | Idaho Power Twin Falls Power Plant Park includes picnic tables, boat ramp, and an interpretive overlook (news release). |
|---|
Common questions
Common questions
Is Twin Falls open?
Canyon-rim viewing; unfenced edges in places. Flow can drop to nearly dry when most river volume is diverted through the power plant. As of September 29, 2026. Hours: Day-use park; scenic flows over the falls follow Idaho Power's licensed aesthetic release schedule (see operator notices).
How tall is Twin Falls?
Twin Falls drops about 120 ft.
How do you get to Twin Falls?
The road in is paved. Upstream (east) of Shoshone Falls on the Snake River canyon rim; dam and powerhouse sit on the historic twin channels. Parking: Idaho Power Twin Falls Power Plant Park day-use area with picnic tables, boat ramp, and falls overlook above the dam.
Do you need a reservation for Twin Falls?
No reservation or permit is required.
Is there a fee at Twin Falls?
The fee is No public day-use fee published for Idaho Power's Twin Falls Power Plant Park.
When is Twin Falls flowing?
Original twin plunges ~120 ft; dam diverted one channel. Remaining fall often ~80 ft; spring snowmelt is the best flow window.
Nearby
Sources
4
- http://www.waterfallsnorthwest.com/waterfall/Twin-Falls-3463 (accessed September 29, 2026; backs waterfall.heightFt / waterbodyName, waterfall.flowNote / ephemeral, manager, hazardNote, waterfall.flowNote)
- https://en.wikipedia.org/wiki/Twin_Falls_(Idaho) (accessed September 29, 2026; backs access.roadNote / location relative to Shoshone Falls, access.permitRequired / roadSurface)
- https://tfid.org/309/Shoshone-Falls (accessed September 29, 2026; backs context for Shoshone Falls Park nearby)
- https://www.kmvt.com/content/news/Park-at-Twin-Falls-Power-Plant-reopens-Saturday-373560621.html (accessed September 30, 2026; backs access.parking / access.fee / access.hours / access.amenities)
More: Idaho waterfalls