| Worthington Valley | Baltimore, MD | 3.1 miles | SE |
| Frog Hollow | Baltimore, MD | 9.8 miles | NE |
| Green Spring Valley | Baltimore, MD | 11.1 miles | SE |
| Sylvan Dell Valley | Baltimore, MD | 12.4 miles | SW |
| Wakefield Valley | Carroll, MD | 13.7 miles | NW |
| Dulaney Valley | Baltimore, MD | 14.8 miles | SE |
| Verdant Valley | Harford, MD | 15.5 miles | NE |
| Limekiln Hollow | Baltimore, MD | 16.5 miles | SE |
| Priestland Valley | Carroll, MD | 17.5 miles | NW |
| Glen Rock Valley | York, PA | 19.3 miles | NE |
| Krebs Valley | York, PA | 20 miles | NE |
| Buffalo Valley | York, PA | 20.7 miles | NW |
| Brush Valley | York, PA | 21.5 miles | NE |
| Rehmeyer Hollow | York, PA | 21.5 miles | NE |
| Dunkard Valley | York, PA | 25.1 miles | NE |
| Little Valley | York, PA | 25.4 miles | NW |
| Hampton Valley | Frederick, MD | 31.1 miles | NW |
| Eylers Valley | Frederick, MD | 33.3 miles | NW |
| Oxys Hollow | Frederick, MD | 34.1 miles | SW |
| Cove Hollow | Adams, PA | 34.5 miles | NW |
| Clifford Hollow | Frederick, MD | 34.6 miles | SW |
| Harbaugh Valley | Frederick, MD | 34.8 miles | NW |
| Coffee Hollow | Frederick, MD | 35.3 miles | NW |
| Grubb Hollow | Lancaster, PA | 35.5 miles | NE |
| Cranberry Valley | Adams, PA | 36.4 miles | NW |
| Conejohela Valley | York, PA | 36.7 miles | NE |
| Sleepy Hollow | Cecil, MD | 37 miles | NE |
| Quaker Valley | Adams, PA | 37.5 miles | NW |
| York Valley | York, PA | 38.1 miles | NE |
| Middletown Valley | Frederick, MD | 39.4 miles | SW |
| Hanging Valley | Franklin, PA | 40.1 miles | NW |
| Marsh Creek Hollow | Adams, PA | 40.2 miles | NW |
| Buchanan Valley | Adams, PA | 40.2 miles | NW |
| Raven Rock Hollow | Washington, MD | 40.3 miles | NW |
| Warner Gap Hollow | Washington, MD | 40.3 miles | NW |
| Antietam Cove | Franklin, PA | 40.7 miles | NW |
| Soapstone Valley | District of Columbia, DC | 42 miles | SW |
| Piney Branch Valley | District of Columbia, DC | 42.6 miles | SW |
| Klingle Valley | District of Columbia, DC | 42.7 miles | SW |
| Mather Gorge | Montgomery, MD | 43.9 miles | SW |
| Mather Gorge | Montgomery, VA | 43.9 miles | SW |
| Dead Woman Hollow | Cumberland, PA | 44 miles | NW |
| Rock Creek Valley | District of Columbia, DC | 44.7 miles | SW |
| Rock Creek Valley | District of Columbia, MD | 44.7 miles | SW |
| Sycamore Hollow | Anne Arundel, MD | 45 miles | SE |
| Dark Hollow | Franklin, PA | 45 miles | NW |
| Spicebush Valley | Anne Arundel, MD | 45.1 miles | SE |
| The Potomac Gorge | District of Columbia, DC | 45.2 miles | SW |
| English Valley | Franklin, PA | 46.1 miles | NW |
| Watery Hollow | Cumberland, PA | 46.8 miles | NW |
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