WMNF incident database
South Twin Mountain

How Many People Have Died on South Twin Mountain? 2 Hiking Deaths on Record

As of 2026, 2 people have died hiking South Twin Mountain in the documented record — out of 2 incidents in this database, 0 of which were survived. This counts hiking and backcountry incidents only — widely-cited mountain death tolls that include railway, auto-road, and aviation accidents run higher. The causes that recur most here are exposure, hypothermia. Higher counts partly reflect how heavily a peak is hiked, not just how dangerous it is — it’s hiked safely far more often than not, but it rewards real preparation.

2
Incidents
0
Survived
2
Fatal

Most common causes on South Twin Mountain

  • Exposure1 incident
  • Hypothermia1 incident

When incidents happen

Documented incidents by month. Darker = more. Incidents cluster in January; winter incidents skew toward ice and traction, summer toward heat and exhaustion.

JFMAMJJASOND
Survived
Fatal2

Based on incidents with a known date. Use it to plan the season — not to assume any month is “safe.”

Every documented incident on South Twin Mountain

Each links to the full sourced report.

Planning to hike South Twin Mountain? Most of these were survivable with preparation. Check current conditions and the best-day forecast for South Twin Mountain before you go.

Frequently asked

Is South Twin Mountain dangerous to hike?+

South Twin Mountain appears in 2 documented incidents in this database, including 2 fatal. The most common contributing factors here are exposure, hypothermia. Higher counts partly reflect how heavily a peak is hiked, not just how dangerous it is — South Twin Mountain is hiked safely far more often than not. Check the forecast, carry the Ten Essentials, start early, and be willing to turn back when conditions or daylight run short.

How many people have died on South Twin Mountain?+

This database documents 2 deaths on South Twin Mountain out of 2 recorded incidents. The record reaches back into the historical archive and is updated as new reports are reviewed, so it captures the documented fatality record plus a growing, primary-sourced sample of rescues — not a complete tally of every call.

Part of the WMNF Hiker Incident Database. This tracks hiking and backcountry incidents — widely-cited mountain death tolls also count non-hiking fatalities (railway and auto-road accidents, aircraft, skiing, natural causes at the summit) that this database doesn't. Counts reflect the documented record, not every call NH Fish and Game responds to.