Mountain Peak

North Twin Sister peak

Cascade Range, Washington 6,640 ft
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Range
Cascade Range
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North Twin Sister rises to 6,640 ft in Pacific-Ranges within the Cascade Range range.

With an impressive elevation of 6,140 feet, it offers breathtaking views and challenging mountaineering opportunities. This mountain is known for its rugged terrain and stunning alpine scenery.

During the winter season, North Twin Sister accumulates a substantial snowpack, making it a popular destination for backcountry skiing and snowshoeing enthusiasts. The snowpack range varies depending on the specific year and weather conditions, typically ranging from several feet to over ten feet deep. This makes it an excellent location for winter sports and activities.

Several creeks and rivers receive runoff from North Twin Sister, providing a vital water source for surrounding ecosystems. While specific creeks and rivers are not mentioned in the available sources, it can be inferred that the mountain contributes to the overall hydrology of the region.

Regarding its name origin and folklore, there is limited information available from the provided sources. Further research is recommended to uncover any potential historical or cultural significance associated with North Twin Sister.

For trail conditions and access, search Wikipedia or the local land manager's site. Browse other peaks in the Pacific-Ranges range.

StateWASHINGTON
RangeCascade Range
Elevation6,640 ft
Latitude48.7155°
Longitude-121.9983°
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Regional snowpack

Snowpack near North Twin Sister

Snow water equivalent and snowpack depth at SNOTEL stations near the peak. Best proxy for what's currently sitting on the summit.

SNOTEL stationSnowpackView
Nohrsc Alpine Meadows 29 in
Elbow Lake 1 in
Nohrsc Mf Nooksack 28 in
Nohrsc 21a07 - Easy Pass Am 76 in
Regional streamflow

Streamflow near North Twin Sister

USGS streamgauges in the basin drained by this peak. Spring snowmelt from the summit feeds these flows.

Detailed forecast

Plan around incoming weather

Same NOAA / yr.no feed Snoflo's iOS app uses. Watch the precipitation column -- snow at this elevation typically lags the radar signature by a few hours.

Hourly detail

Next 5 days, hour by hour

Temperature line with weather symbols on top, snow + rain accumulation as columns, humidity as a dotted line.

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Deep dive

5-day forecast table

Every 3 hours, broken out across temperature, snow, rain, humidity, and wind.

TimeConditionTemp (°F)Snow (in)Rain (in)Humidity (%)Wind (mps)Wind dir
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Long-term outlook

15-day forecast

Daily temperatures, snow, and rain projected over the next two weeks.

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Get North Twin Sister on your phone.

Save this peak as a favorite and get push alerts when storms move in, fresh snow falls upstream, or NWS issues a weather warning. Free, account optional.

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