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Stump Alley

CA

Historical data for the Stump Alley trail at Mammoth Mountain.

Current Status

Closed

Difficulty

Blue

Section

Main Lodge

Status Timeline

Current Season

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

Recent Changes

May 20, 2026, 07:32 AMLatest
Groomed→Closed
Feb 20, 2026, 11:00 AM
Closed→Groomed
Feb 17, 2026, 05:00 PM
Groomed→Closed
Nov 20, 2025, 07:30 AM
Closed→Groomed
Nov 7, 2025, 01:31 PM
Unknown→Closed
Aug 31, 2025, 06:00 PM
Unknown

Statistics

Trail Season Length181 days

Number of Days in Each State

Closed
106 days
Open
0 days
Hold
0 days
Groomed
178 days
Unknown
68 days