Gwinna Falls
About
Gwinna Falls is a waterfall in Yellowstone National Park in Wyoming, managed by the National Park Service. The nearest town is Warm River, Idaho, about 24.5 miles away. Summer is the most comfortable time to visit. Typical July averages from the nearby Old Faithful weather station run around 76°F for highs and 39°F for lows, and the falls sit at about 7,536 feet, close to the station's elevation. The closest trail is the Ferris Creek Stock Crossing Trail, about 0.6 miles away. Farther out are the Shoshone Geyser Basin Horse Cutofff Trail, about 6.3 miles off, and the Union Falls Trail at about 7 miles. Paddlers can reach the Fall River, roughly 8.8 miles away.
Waterfall Facts
Elevation
7,536 ft
Land manager
National Park Service
Elevation from USGS 3D Elevation Program terrain data (about 10 m resolution).
Location
Gwinna Falls
Wyoming
Name and location: U.S. Geological Survey, Geographic Names Information System (GNIS). Elevation: USGS 3D Elevation Program. View the GNIS record.
Facts about this place
When to go
Best time to go: Jun–Sep. The mildest months here, with typical highs of 65–76°F and lows of 30–39°F.
Typical monthly averages (not a forecast) from the Old Faithful, WY weather station, 12 mi away. High / low in °F.
- Jan28° high1° low
- Feb31° high2° low
- Mar39° high10° low
- Apr46° high19° low
- May55° high29° low
- Jun65° high35° low
- Jul76° high39° low
- Aug75° high37° low
- Sep65° high30° low
- Oct50° high22° low
- Nov35° high10° low
- Dec27° high1° low
Where it is
- Yellowstone National Park · National Park Service
- Nearest town
- Warm River, Idaho · 25 mi
- Managed by
- National Park Service
Source: NPS Land Resources boundaries; USGS PAD-US 4.1; USGS GNIS populated places
Conditions
Active alerts for Yellowstone National Park as of Oct 9, 2026:
Beartooth Highway Temporary Closure
Park Closure · posted Oct 8, 2026
West Thumb Geyser Basin Boardwalk - Partial Closure
Information · posted Sep 14, 2026
Caution · posted Aug 26, 2026
Vehicle Entrance Reservation Not Needed
Information · posted Aug 24, 2026
Traffic Delays - Gardner River High Bridge
Information · posted Aug 24, 2026
Biscuit Basin Closed Due to Hydrothermal Explosion
Park Closure · posted Aug 24, 2026
Source: NPS Alerts API
Nearby
- Ferris Creek Stock Crossing TrailHiking0.6 mi
Shoshone Geyser Basin Horse Cutofff TrailHikingPhoto: Greg Willis from Denver, CO, usa, CC BY-SA 2.0 (via Wikimedia Commons)6.3 mi
8R5 Campsite Spur TrailHikingPhoto: Greg Willis from Denver, CO, usa, CC BY-SA 2.0 (via Wikimedia Commons)6.9 mi- Union Falls TrailHiking7 mi
- Shoshone Lake TrailHikingPhoto: Greg Willis from Denver, CO, usa, CC BY-SA 2.0 (via Wikimedia Commons)7.1 mi
- Bechler River TrailHikingPhoto: Greg Willis from Denver, CO, usa, CC BY-SA 2.0 (via Wikimedia Commons)7.1 mi
Fall RiverCanoeingPhoto: Unknown author, Public domain (via Wikimedia Commons)8.8 mi
Firehole RiverCanoeingPhoto: Wing-Chi Poon, CC BY-SA 2.5 (via Wikimedia Commons)9.8 mi
Source: Roamze catalog (indexable pages within 10 miles, PostGIS distance)
Is Gwinna Falls open right now?
Closure in the area
There's a closure order in Yellowstone National Park. It doesn't name Gwinna Falls, so check the source for the area it covers (2 listed).
Temporary Road Closure - Dunraven & Sylvan Pass
Park closure covering Yellowstone National Park · NPS · Yellowstone National Park
Biscuit Basin Closed Due to Hydrothermal Explosion
Park closure covering Yellowstone National Park · NPS · Yellowstone National Park
Stay Away From Bull Elk
Park alert covering Yellowstone National Park · NPS · Yellowstone National Park
As of · Source: NPS · Yellowstone National Park. Agencies don't list every closure — check before you go.
Best time to visit Gwinna Falls
Best months: July–August. Best months have typical highs of 55–85 °F, lows of 30 °F or warmer (32 °F where the station doesn't record snow), at most one snowy day and no more than 12 wet days.
Jan
28° / 1°
14 wet
Feb
31° / 2°
12 wet
Mar
39° / 10°
13 wet
Apr
46° / 19°
12 wet
May
55° / 29°
13 wet
Jun
65° / 35°
13 wet
Jul
76° / 39°
10 wet
Aug
75° / 37°
9 wet
Sep
65° / 30°
9 wet
Oct
50° / 22°
10 wet
Nov
35° / 10°
12 wet
Dec
27° / 1°
15 wet
Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Old Faithful, WY, 12.3 mi away at 7,351 ft. This station doesn't record snowfall. Source: NOAA NCEI U.S. Climate Normals 1991–2020.
