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Obsidian

MT

Historical data for the Obsidian trail at Big Sky.

Current Status

Closed

Difficulty

Double Black

Section

Lone Tree Area

Status Timeline

Current Season

11/26/20253/30/2026
Snowfall(85 days)
Closed(11)
Open(10)

Recent Changes

Mar 30, 2026, 07:31 AMLatest
Open→Closed
Mar 28, 2026, 02:02 PM
Closed→Open
Mar 21, 2026, 08:31 AM
Open→Closed
Mar 17, 2026, 10:31 AM
Closed→Open
Mar 14, 2026, 02:01 PM
Open→Closed
Mar 6, 2026, 12:30 PM
Closed→Open
Mar 5, 2026, 11:30 AM
Open→Closed
Feb 24, 2026, 09:00 AM
Closed→Open
Feb 21, 2026, 09:30 AM
Open→Closed
Feb 18, 2026, 12:00 PM
Open

Statistics

Trail Season Length90 days

Number of Days in Each State

Closed
244 days
Open
67 days
Hold
0 days
Groomed
0 days
Unknown
41 days