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Thunderbolt

PA

Historical data for the Thunderbolt trail at Jack Frost Big Boulder.

Current Status

Unknown

Difficulty

Black

Section

Jack Frost

Status Timeline

Current Season

12/5/20254/23/2026

Prior Seasons

12/4/20244/5/2025
12/19/20233/25/2024
Closed(85)
Open(1)
Groomed(81)
Unknown(2)

Recent Changes

Apr 23, 2026, 12:56 AMLatest
Closed→Unknown
Mar 22, 2026, 02:01 PM
Open→Closed
Mar 18, 2026, 05:01 AM
Closed→Open
Mar 11, 2026, 12:01 PM
Groomed→Closed
Jan 10, 2026, 08:30 AM
Closed→Groomed
Jan 10, 2026, 06:00 AM
Groomed→Closed
Jan 7, 2026, 11:00 AM
Closed→Groomed
Dec 4, 2025, 11:00 AM
Closed

Statistics

Trail Season Length74 days

Number of Days in Each State

Closed
72 days
Open
4 days
Hold
0 days
Groomed
63 days
Unknown
118 days