Bear Hollow | Bear Hollow | Allegany | 669 | Flintstone |
Bear Pond Hollow | Bear Pond Hollow | Washington | 781 | Clear Spring |
Bee Tree Hollow | Bee Tree Hollow | Garrett | 2461 | McHenry |
Beech Hollow | Beech Hollow | Anne Arundel | 23 | Deale |
Blair Valley | Blair Valley | Washington | 804 | Clear Spring |
Brushy Hollow | Brushy Hollow | Garrett | 2474 | McHenry |
Burnt House Hollow | Burnt House Hollow | Allegany | 692 | Flintstone |
Chaney Hollow | Chaney Hollow | Allegany | 732 | Flintstone |
Clifford Hollow | Clifford Hollow | Frederick | 564 | Frederick |
Coffee Hollow | Coffee Hollow | Frederick | 1086 | Catoctin Furnace |
Collier Hollow | Collier Hollow | Garrett | 1457 | Friendsville |
Cow Hollow | Cow Hollow | Allegany | 804 | Artemas |
Cucumber Hollow | Cucumber Hollow | Garrett | 1683 | Barton |
Culvert Hollow | Culvert Hollow | Allegany | 886 | Keyser |
Custer Hollow | Custer Hollow | Garrett | 1739 | Barton |
Deep Hollow | Deep Hollow | Allegany | 758 | Keyser |
Devils Alley | Devils Alley | Allegany | 469 | Paw Paw |
Dutch Hollow | Dutch Hollow | Allegany | 1529 | Frostburg |
Elbow Hollow | Elbow Hollow | Allegany | 673 | Flintstone |
Eylers Valley | Eylers Valley | Frederick | 899 | Blue Ridge Summit |
Fossil Ravine | Fossil Ravine | Anne Arundel | 151 | Deale |
Frog Hollow | Frog Hollow | Washington | 338 | Keedysville |
Frog Hollow | Frog Hollow | Allegany | 679 | Patterson Creek |
Frog Hollow | Frog Hollow | Baltimore | 535 | New Freedom |
Gerlock Hollow | Gerlock Hollow | Allegany | 659 | Oldtown |
Green Spring Valley | Green Spring Valley | Baltimore | 276 | Cockeysville |
Gross Hollow | Gross Hollow | Allegany | 489 | Paw Paw |
Hampton Valley | Hampton Valley | Frederick | 436 | Emmitsburg |
Harbaugh Valley | Harbaugh Valley | Frederick | 797 | Blue Ridge Summit |
Hinkle Hollow | Hinkle Hollow | Allegany | 846 | Flintstone |
Hungry Hollow | Hungry Hollow | Garrett | 2178 | Kitzmiller |
Kifer Hollow | Kifer Hollow | Allegany | 853 | Artemas |
Little Pine Lick Hollow | Little Pine Lick Hollow | Allegany | 738 | Artemas |
Long Hollow | Long Hollow | Washington | 430 | Bellegrove |
Mather Gorge | Mather Gorge | Montgomery | 66 | Falls Church |
Middletown Valley | Middletown Valley | Frederick | 476 | Middletown |
Milkhouse Hollow | Milkhouse Hollow | Allegany | 709 | Flintstone |
Montgomery Hollow | Montgomery Hollow | Allegany | 630 | Paw Paw |
Moores Hollow | Moores Hollow | Allegany | 617 | Patterson Creek |
Mudlick Hollow | Mudlick Hollow | Allegany | 614 | Artemas |
Nancy Hollow | Nancy Hollow | Allegany | 636 | Paw Paw |
Oxys Hollow | Oxys Hollow | Frederick | 591 | Catoctin Furnace |
Peppermint Hollow | Peppermint Hollow | Garrett | 1450 | Friendsville |
Pine Lick Hollow | Pine Lick Hollow | Allegany | 751 | Artemas |
Pleasant Valley | Pleasant Valley | Garrett | 2467 | Table Rock |
Pleasant Valley | Pleasant Valley | Washington | 253 | Harpers Ferry |
Polecat Hollow | Polecat Hollow | Washington | 689 | Clear Spring |
Possum Hollow | Possum Hollow | Allegany | 682 | Flintstone |
Pratt Hollow | Pratt Hollow | Allegany | 718 | Artemas |
Priestland Valley | Priestland Valley | Carroll | 423 | Union Bridge |
Railroad Hollow | Railroad Hollow | Allegany | 712 | Oldtown |
Raven Rock Hollow | Raven Rock Hollow | Washington | 846 | Smithsburg |
Roby Hollow | Roby Hollow | Allegany | 479 | Paw Paw |
Rock Lick Hollow | Rock Lick Hollow | Allegany | 669 | Paw Paw |
Rush Hollow | Rush Hollow | Garrett | 1496 | Friendsville |
Sandy Flat Hollow | Sandy Flat Hollow | Allegany | 479 | Paw Paw |
Shingle Camp Hollow | Shingle Camp Hollow | Garrett | 2461 | McHenry |
Spring Lick Hollow | Spring Lick Hollow | Allegany | 528 | Artemas |
Spruce Hollow | Spruce Hollow | Allegany | 1654 | Frostburg |
Stony Hollow | Stony Hollow | Garrett | 1460 | Kitzmiller |
Sugar Hollow | Sugar Hollow | Allegany | 646 | Oldtown |
Swain Hollow | Swain Hollow | Allegany | 568 | Bellegrove |
Sylvan Dell Valley | Sylvan Dell Valley | Baltimore | 404 | Ellicott City |
Toms Hollow | Toms Hollow | Allegany | 860 | Keyser |
Tunnel Hollow | Tunnel Hollow | Allegany | 482 | Paw Paw |
Twigs Hollow | Twigs Hollow | Allegany | 666 | Oldtown |
Wakefield Valley | Wakefield Valley | Carroll | 479 | New Windsor |
Warner Gap Hollow | Warner Gap Hollow | Washington | 866 | Smithsburg |
Whiskey Hollow | Whiskey Hollow | Garrett | 1903 | Bittinger |
White Oak Hollow | White Oak Hollow | Allegany | 856 | Artemas |
Wildcat Hollow | Wildcat Hollow | Allegany | 860 | Westernport |
Wildcat Hollow | Wildcat Hollow | Allegany | 814 | Patterson Creek |
Williams Hollow | Williams Hollow | Allegany | 1155 | Flintstone |
Worthington Valley | Worthington Valley | Baltimore | 374 | Reisterstown |
Spicebush Valley | Spicebush Valley | Anne Arundel | 39 | South River |
Hunter Hollow | Hunter Hollow | Anne Arundel | 33 | Deale |
Dry Valley | Dry Valley | Anne Arundel | 39 | Deale |
Honeysuckle Hollow | Honeysuckle Hollow | Anne Arundel | 66 | Deale |
Hornbeam Hollow | Hornbeam Hollow | Anne Arundel | 125 | Deale |
Sycamore Hollow | Sycamore Hollow | Anne Arundel | 39 | South River |
Dulaney Valley | Dulaney Valley | Baltimore | 239 | Towson |
Limekiln Hollow | Limekiln Hollow | Baltimore | 157 | Towson |
Bookers Hollow | Bookers Hollow | Queen Anne's | 3 | Chestertown |
Collier Hollow | Collier Hollow | Garrett | 1450 | Friendsville |
Verdant Valley | Verdant Valley | Harford | 394 | Phoenix |
Sleepy Hollow | Sleepy Hollow | Cecil | 92 | Conowingo Dam |