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Bristlecone

CA

Historical data for the Bristlecone trail at Mammoth Mountain.

Current Status

Closed

Difficulty

Blue

Section

Main Lodge

Status Timeline

Current Season

11/20/20255/21/2026
Snowfall(34 days)
Closed(6)
Open(1)
Groomed(4)

Recent Changes

May 21, 2026, 02:32 PMLatest
Open→Closed
Apr 27, 2026, 11:32 AM
Closed→Open
Apr 11, 2026, 11:01 AM
Groomed→Closed
Feb 21, 2026, 11:01 AM
Closed→Groomed
Feb 17, 2026, 05:00 PM
Groomed→Closed
Feb 13, 2026, 11:30 AM
Closed→Groomed
Jan 13, 2026, 10:00 AM
Groomed→Closed
Jan 7, 2026, 10:30 AM
Closed→Groomed
Jan 5, 2026, 04:30 PM
Groomed→Closed
Nov 20, 2025, 08:00 AM
Groomed

Statistics

Trail Season Length182 days

Number of Days in Each State

Closed
155 days
Open
24 days
Hold
0 days
Groomed
106 days
Unknown
68 days