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Thunderbolt

PA

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

Current Status

Closed

Difficulty

Black

Section

Jack Frost

Status Timeline

Current Season

12/5/20253/11/2026

Prior Seasons

12/4/20244/6/2025
12/19/20233/26/2024
Closed(84)
Groomed(81)

Recent Changes

Mar 11, 2026, 12:01 PMLatest
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 Length63 days

Number of Days in Each State

Closed
42 days
Open
0 days
Hold
0 days
Groomed
63 days
Unknown
0 days