Mountain Peak

Throop Peak peak

Central And Southern California Ranges, California 9,138 ft
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Range
Central And Southern California Ranges
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Throop Peak rises to 9,138 ft in Pacific-Ranges within the Central And Southern California Ranges range.

This peak offers breathtaking views of the surrounding landscape, making it a popular destination for mountaineers and outdoor enthusiasts. With its close proximity to the Angeles National Forest, Throop Peak provides ample opportunities for hiking, backpacking, and exploration.

During the winter season, Throop Peak and the surrounding mountains experience varying snowpack levels. The snowpack range can vary greatly depending on weather patterns, but typically, from December to March, the snowpack can reach depths of several feet, offering an ideal playground for winter sports such as skiing and snowshoeing.

The mountain's runoff feeds into several creeks and rivers in the region, providing a valuable water source for the local ecosystems. The nearby San Gabriel River benefits from Throop Peak's runoff, contributing to its flow and supporting diverse wildlife and vegetation along its course.

As for the history of the name, Throop Peak is named after Amos G. Throop, the founder of Caltech (California Institute of Technology). The peak's name was officially recognized by the U.S. Board on Geographic Names in 1926. Though there are no specific lore or legends associated with Throop Peak, its rich history and stunning vistas make it an intriguing destination for those seeking adventure and natural beauty in the Pacific Ranges.

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

StateCALIFORNIA
RangeCentral And Southern California Ranges
Elevation9,138 ft
Latitude34.3506°
Longitude-117.7992°
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Regional streamflow

Streamflow near Throop Peak

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 Throop Peak 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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Snoflo Premium

Favorites and custom weather alerts are part of Snoflo Premium. Save peaks, set snowfall or wind thresholds, and get push alerts when conditions cross.

Set up an alert

Custom alerts are configured in the Snoflo iOS app. Open the app, navigate to this peak, and tap the bell icon to set thresholds for snowfall, temperature, or wind.

{# FAVORITE-LIMIT MODAL — fires when a non-premium user hits the 3-favorite cap. Mirrors the iOS PremiumGateSheet's .bookmarkLimit case: same copy direction (limit reached → unlimited with Premium), same primary CTA shape. Triggered from toggle_fave (pre-flight) and the 403 error handler. #} {# ALERTS-IN-APP MODAL — opened from the Account dropdown's "Alerts" link. Push-notification alerts (snow / flow / buoy / ski) are managed in the iOS app because they require APNs + device tokens; the webapp has no equivalent surface, so the right thing to do is point users at the App Store. Mirrors the per-gauge #sf-cp-alerts-modal popup on recChildFlow.html. #}