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Gassy Thompson

CO

Historical data for the Gassy Thompson trail at Keystone.

Current Status

Closed

Difficulty

Blue

Section

Dercum Mountain

Status Timeline

Current Season

10/26/20253/24/2026

Prior Seasons

11/14/20244/5/2025
12/18/20234/13/2024
Snowfall(241 days)
Closed(11)
Open(22)
Groomed(12)
Unknown(1)

Recent Changes

Mar 24, 2026, 10:31 AMLatest
Open→Closed
Dec 27, 2025, 06:30 AM
Closed→Open
Dec 26, 2025, 05:00 PM
Open→Closed
Dec 26, 2025, 07:30 AM
Closed→Open
Dec 24, 2025, 06:00 PM
Open→Closed
Dec 18, 2025, 09:30 AM
Closed→Open
Dec 18, 2025, 09:00 AM
Open→Closed
Dec 6, 2025, 11:30 AM
Closed→Open
Sep 29, 2025, 02:30 AM
Closed

Statistics

Trail Season Length108 days

Number of Days in Each State

Closed
218 days
Open
106 days
Hold
0 days
Groomed
0 days
Unknown
0 days