| Sleepy Hollow | Cecil, MD | 13.9 miles | NE |
| Verdant Valley | Harford, MD | 16.4 miles | NW |
| Limekiln Hollow | Baltimore, MD | 16.4 miles | SW |
| Dulaney Valley | Baltimore, MD | 17.1 miles | SW |
| Green Spring Valley | Baltimore, MD | 23.2 miles | SW |
| Bookers Hollow | Queen Anne's, MD | 25.2 miles | SE |
| Frog Hollow | Baltimore, MD | 28.4 miles | NW |
| Worthington Valley | Baltimore, MD | 28.8 miles | NW |
| Grubb Hollow | Lancaster, PA | 30.5 miles | NW |
| Rehmeyer Hollow | York, PA | 32.1 miles | NW |
| Sylvan Dell Valley | Baltimore, MD | 33.6 miles | SW |
| Glen Rock Valley | York, PA | 34.3 miles | NW |
| Wolf Rock Hill | Lancaster, PA | 35.7 miles | NE |
| Krebs Valley | York, PA | 36 miles | NW |
| Dunkard Valley | York, PA | 36.2 miles | NW |
| Coal Hill | Lancaster, PA | 36.2 miles | NE |
| Linville Hill Valley | Lancaster, PA | 36.5 miles | NE |
| Conejohela Valley | York, PA | 38.3 miles | NW |
| Brush Valley | York, PA | 39.5 miles | NW |
| Buffalo Valley | York, PA | 39.8 miles | NW |
| York Valley | York, PA | 41.4 miles | NW |
| Spicebush Valley | Anne Arundel, MD | 43.3 miles | SW |
| Sycamore Hollow | Anne Arundel, MD | 43.5 miles | SW |
| Wakefield Valley | Carroll, MD | 44.8 miles | NW |
| Beech Hollow | Anne Arundel, MD | 44.9 miles | SW |
| Hunter Hollow | Anne Arundel, MD | 45.2 miles | SW |
| Dry Valley | Anne Arundel, MD | 45.3 miles | SW |
| Honeysuckle Hollow | Anne Arundel, MD | 46.3 miles | SW |
| Hornbeam Hollow | Anne Arundel, MD | 46.7 miles | SW |
| Fossil Ravine | Anne Arundel, MD | 46.8 miles | SW |
| Little Valley | York, PA | 47.6 miles | NW |
| Priestland Valley | Carroll, MD | 48.6 miles | NW |
| Sleepy Hollow | Berks, PA | 54.9 miles | NE |
| Cedar Hollow | Chester, PA | 56.3 miles | NE |
| Piney Branch Valley | District of Columbia, DC | 57.1 miles | SW |
| Soapstone Valley | District of Columbia, DC | 57.3 miles | SW |
| Klingle Valley | District of Columbia, DC | 57.3 miles | SW |
| Rock Creek Valley | District of Columbia, DC | 58.8 miles | SW |
| Rock Creek Valley | District of Columbia, MD | 58.8 miles | SW |
| Jug Hollow | Chester, PA | 59.9 miles | NE |
| Valley Creek Gorge | Montgomery, PA | 60 miles | NE |
| The Potomac Gorge | District of Columbia, DC | 60.3 miles | SW |
| Cranberry Valley | Adams, PA | 61.2 miles | NW |
| Hampton Valley | Frederick, MD | 61.5 miles | NW |
| Quaker Valley | Adams, PA | 62.9 miles | NW |
| Mather Gorge | Montgomery, MD | 63.5 miles | SW |
| Mather Gorge | Montgomery, VA | 63.5 miles | SW |
| Eylers Valley | Frederick, MD | 64 miles | NW |
| Cove Hollow | Adams, PA | 64.7 miles | NW |
| Oxys Hollow | Frederick, MD | 65.1 miles | NW |
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