The Jam
Maryland > Patapsco Valley State Park > Levitation Boulders > Jam Boulder
First Ascents 1
| Date | Climbers | Type | Notes | Reference |
|---|---|---|---|---|
| 1. John Kelbel DMV | First Free Ascent | John Kelbel. Personal Communication, John Kelbel (5/17/2026). email (5/17/2026) |