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Triangle

CA

Historical data for the Triangle trail at Mammoth Mountain.

Current Status

Closed

Difficulty

Black

Section

Canyon Lodge

Status Timeline

Current Season

11/20/20255/28/2026
Snowfall(34 days)
Closed(5)
Open(2)
Groomed(3)

Recent Changes

May 28, 2026, 09:31 AMLatest
Open→Closed
May 22, 2026, 08:32 AM
Closed→Open
May 20, 2026, 07:32 AM
Open→Closed
Apr 23, 2026, 12:56 AM
Groomed→Open
Apr 13, 2026, 02:31 PM
Closed→Groomed
Apr 12, 2026, 03:01 PM
Groomed→Closed
Feb 20, 2026, 04:30 PM
Closed→Groomed
Feb 17, 2026, 05:00 PM
Groomed→Closed
Dec 5, 2025, 12:30 PM
Closed→Groomed
Nov 7, 2025, 01:31 PM
Closed

Statistics

Trail Season Length174 days

Number of Days in Each State

Closed
117 days
Open
33 days
Hold
0 days
Groomed
135 days
Unknown
68 days