Mountain · 1 route
Twin Sisters
2,543 ft · California
- Summit
- 2,543 ft
- Routes
- 1 way up
Route up Twin Sisters
About Twin Sisters
Twin Sisters is a summit in California, rising to 2,543 feet. The nearest town is Rumsey, about 9 miles away. Spring and fall are the most comfortable times to visit. Typical averages from a nearby weather station show May highs around 73°F and October highs around 75°F, while July and August average about 91°F. That station sits well below the summit, so temperatures up top run cooler. Several trails start close by. Little Blue Ridge Summit is about 0.1 mile away, and Little Blue Ridge Cross Country is about 0.3 mile away. Little Blue Ridge is roughly 1.3 miles off, and the Cache Ridge to Creek Trail is about 4.7 miles away.
Forecast on Twin Sisters
Daily highs and lows, wind and the chance of precipitation at the summit and route start for the next 7 days, from the Open-Meteo model.
Questions about Twin Sisters
How tall is Twin Sisters?
2,543 ft (775 m).
How many routes go to the summit of Twin Sisters?
One: Little Blue Ridge Cross Country.
Mountains nearby
- Brushy Sky High3,195 ft · California1 route5.8 mi away
- Table Rock2,466 ft · California2 routes19 mi away
Mount Saint Helena4,336 ft · California1 route19 mi awayPhoto: Wwoods, CC BY-SA 3.0 (via Wikimedia Commons)- Three Peaks2,878 ft · California2 routes19 mi away
- Old Baldy2,782 ft · California1 route20 mi away
- Flat Top2,724 ft · California1 route20 mi away
Facts about this place
When to go
Best time to go: Mar–Jun. The mildest months here, with typical highs of 62–83°F and lows of 35–52°F.
Typical monthly averages (not a forecast) from the Clearlake 4 Se, CA weather station, 9 mi away. High / low in °F, and days with snow.
- Jan55° high33° low
- Feb58° high34° low
- Mar62° high35° low
- Apr66° high39° low
- May73° high45° low
- Jun83° high52° low
- Jul91° high56° low
- Aug91° high54° low
- Sep85° high50° low
- Oct75° high43° low
- Nov63° high36° low
- Dec55° high33° low
The station sits about 1,200 ft lower than this spot, so expect it to run cooler up here.
Nearby
- Little Blue Ridge SummitHiking0.1 mi
- Little Blue Ridge Cross CountryHiking0.3 mi
- Little Blue RidgeHiking1.3 mi
- Cache Ridge to Creek TrailHiking4.7 mi
Frog Pond TrailHikingPhoto: Franco Folini from San Francisco, USA, CC BY-SA 2.0 (via Wikimedia Commons)4.8 mi
Fiske Creek TrailHikingPhoto: aerugino, CC BY-SA 2.0 (via Flickr)4.9 mi
Blue Ridge Trail NorthHikingPhoto: aerugino, CC BY-SA 2.0 (via Flickr)5.6 mi- Cache Creek Ridge TrailHiking5.8 mi
Source: Roamze catalog (indexable pages within 10 miles, PostGIS distance)
Best time to visit Twin Sisters
Best months: February–June and September–December. 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
55° / 33°
13 wet
Feb
58° / 34°
12 wet
Mar
62° / 35°
11 wet
Apr
66° / 39°
8 wet
May
73° / 45°
5 wet
Jun
83° / 52°
2 wet
Jul
91° / 56°
0 wet
Aug
91° / 54°
0 wet
Sep
85° / 50°
1 wet
Oct
75° / 43°
4 wet
Nov
63° / 36°
9 wet
Dec
55° / 33°
12 wet
Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Clearlake 4 Se, CA, 9 mi away at 1,349 ft. The station sits about 1,200 ft lower than this place, so expect it a little cooler here. Source: NOAA NCEI U.S. Climate Normals 1991–2020.
