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