Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Falling Waters Ferry (historical) | Crossing | 101 | Washington | 39 33 29 N | 077 53 14 W |
| Cushwa Cemetery | Cemetery | 184 | Washington | 39 42 26 N | 077 53 08 W |
| McLaughlin School (historical) | School | 177 | Washington | 39 41 05 N | 077 53 05 W |
| Millers Bend | Bend | 115 | Washington | 39 36 23 N | 077 53 04 W |
| Saint Pauls Church | Church | 164 | Washington | 39 39 32 N | 077 52 57 W |
| Saint Pauls Cemetery | Cemetery | 164 | Washington | 39 39 35 N | 077 52 54 W |
| Dry Run | Populated Place | 183 | Washington | 39 42 46 N | 077 52 52 W |
| Pinesburg Quarry | Mine | 123 | Washington | 39 37 00 N | 077 52 47 W |
| Spickler | Populated Place | 146 | Washington | 39 39 29 N | 077 52 12 W |
| Pinesburg Station | Locale | 131 | Washington | 39 36 59 N | 077 52 00 W |
| Opequon Junction Campground | Locale | 114 | Washington | 39 31 08 N | 077 51 49 W |
| Cushwa Fish Hatchery (historical) | Locale | 156 | Washington | 39 42 28 N | 077 51 48 W |
| Pine Hills | Range | 134 | Washington | 39 38 28 N | 077 51 48 W |
| Chesapeake and Ohio Canal National Historical Park | Park | 103 | Washington | 39 31 01 N | 077 51 45 W |
| Pinesburg Baptist Church | Church | 144 | Washington | 39 37 48 N | 077 51 39 W |
| Pinesburg Cemetery | Cemetery | 146 | Washington | 39 37 47 N | 077 51 37 W |
| Potomac Woodlands | Populated Place | 160 | Washington | 39 32 47 N | 077 51 35 W |
| Pinesburg | Populated Place | 152 | Washington | 39 37 45 N | 077 51 29 W |
| Dry Run | Stream | | Washington | 39 42 24 N | 077 51 24 W |
| District 23 (Wilsons) Election District | Civil | 144 | Washington | 39 39 19 N | 077 51 19 W |
| Wilson Quarry | Mine | 131 | Washington | 39 39 17 N | 077 51 07 W |
| Dellinger School (historical) | School | 128 | Washington | 39 31 52 N | 077 50 56 W |
| Wilson | Populated Place | 117 | Washington | 39 39 29 N | 077 50 55 W |
| Spring Dell Farm | Locale | 132 | Washington | 39 32 24 N | 077 50 54 W |
| Wilson Bridge | Bridge | 108 | Washington | 39 39 28 N | 077 50 53 W |
| Braddock Heights Fire Company Number 12 | Building | | Frederick | 39 42 20 N | 077 50 51 W |
| Guard Lock Number 5 | Dam | 103 | Washington | 39 30 10 N | 077 50 43 W |
| Mount Tabor Graveyard | Cemetery | 159 | Washington | 39 42 54 N | 077 50 41 W |
| Conococheague | Populated Place | 128 | Washington | 39 39 26 N | 077 50 41 W |
| Duck Island | Island | 97 | Washington | 39 36 28 N | 077 50 41 W |
| Mount Tabor Evangelical Church | Church | 159 | Washington | 39 42 53 N | 077 50 40 W |
| Rockdale | Populated Place | 145 | Washington | 39 42 04 N | 077 50 38 W |
| Hagerstown Raceway | Locale | 112 | Washington | 39 39 37 N | 077 50 38 W |
| Fairview | Populated Place | 151 | Washington | 39 42 44 N | 077 50 35 W |
| Dellinger Wide Water | Area | 97 | Washington | 39 31 12 N | 077 50 32 W |
| Williamsport Church | Church | 123 | Washington | 39 33 09 N | 077 50 28 W |
| Walnut Bottom | Bend | 120 | Washington | 39 38 21 N | 077 50 27 W |
| Opequon Farms | Populated Place | 134 | Washington | 39 32 53 N | 077 50 22 W |
| Gristmill Hill | Populated Place | 140 | Washington | 39 42 30 N | 077 50 18 W |
| Meadow Brook | Stream | | Washington | 39 37 39 N | 077 50 16 W |
| Independence School (historical) | School | 155 | Washington | 39 40 28 N | 077 50 12 W |
| Deer Lodge Mobile Home Park | Populated Place | 135 | Washington | 39 39 15 N | 077 49 54 W |
| Lemons Ferry (historical) | Crossing | 97 | Washington | 39 35 57 N | 077 49 50 W |
| Fairview Mill | Populated Place | 136 | Washington | 39 42 02 N | 077 49 49 W |
| Potomac River Reservoir | Reservoir | 97 | Washington | 39 35 42 N | 077 49 47 W |
| Williamsport Power Plant Dam | Dam | 97 | Washington | 39 35 42 N | 077 49 47 W |
| Heritage Academy | School | 125 | Washington | 39 39 00 N | 077 49 43 W |
| Conococheague Elementary School | School | 145 | Washington | 39 39 15 N | 077 49 41 W |
| Conococheague Creek | Stream | | Washington | 39 36 02 N | 077 49 41 W |
| Conococheague Creek Aqueduct | Bridge | 97 | Washington | 39 36 04 N | 077 49 41 W |
| Potomac Park | Park | 107 | Washington | 39 35 58 N | 077 49 41 W |
| Lock 45 | Dam | 104 | Washington | 39 36 03 N | 077 49 40 W |
| Dam Number 4 | Dam | 97 | Washington | 39 29 40 N | 077 49 37 W |
| High Germany | Bend | 127 | Washington | 39 37 36 N | 077 49 30 W |
| River View Cemetery | Cemetery | 126 | Washington | 39 35 52 N | 077 49 30 W |
| Oaklett Estates | Populated Place | 135 | Washington | 39 41 19 N | 077 49 29 W |
| Charles Mill | Locale | 111 | Washington | 39 31 50 N | 077 49 29 W |
| Potomac River Dam Number Four | Dam | 91 | Washington | 39 29 42 N | 077 49 29 W |
| Potomac River Reservoir | Reservoir | 91 | Washington | 39 29 42 N | 077 49 29 W |
| Williamsport Station | Locale | 119 | Washington | 39 36 25 N | 077 49 28 W |
| Walnut Point School (historical) | School | 142 | Washington | 39 38 40 N | 077 49 27 W |
| Downey Branch | Stream | | Washington | 39 31 49 N | 077 49 27 W |
| Rush Run | Stream | | Washington | 39 40 27 N | 077 49 26 W |
| Zion Lutheran Church | Church | 128 | Washington | 39 36 02 N | 077 49 25 W |
| Cedar Grove Mill (historical) | Locale | 117 | Washington | 39 31 47 N | 077 49 25 W |
| District 20 (Downsville) Election District | Civil | 124 | Washington | 39 32 07 N | 077 49 23 W |
| Williamsport Post Office | Post Office | 122 | Washington | 39 35 55 N | 077 49 21 W |
| Cedar Grove | Populated Place | 109 | Washington | 39 31 54 N | 077 49 20 W |
| Williamsport City Hall | Building | 128 | Washington | 39 35 58 N | 077 49 17 W |
| Calvary Temple | Church | 130 | Washington | 39 35 49 N | 077 49 16 W |
| Williamsport | Populated Place | 124 | Washington | 39 36 02 N | 077 49 14 W |
| Williamsport United Methodist Church | Church | 131 | Washington | 39 35 53 N | 077 49 14 W |
| Saint Augustines Graveyard | Cemetery | 128 | Washington | 39 35 59 N | 077 49 13 W |
| Jones Chapel (historical) | Church | 151 | Washington | 39 38 02 N | 077 49 12 W |
| Saint Augustine Catholic Church | Church | 127 | Washington | 39 36 00 N | 077 49 12 W |
| Rehoboth United Methodist Church | Church | 133 | Washington | 39 35 55 N | 077 49 11 W |
| Williamsport Church of God | Church | 132 | Washington | 39 35 41 N | 077 49 10 W |
| Rockdale Run | Stream | | Washington | 39 42 08 N | 077 49 07 W |
| Williamsport Sanitarium | Hospital | 133 | Washington | 39 36 12 N | 077 49 07 W |
| Semple Run | Stream | | Washington | 39 36 38 N | 077 49 04 W |
| Byron Park | Park | 127 | Washington | 39 35 57 N | 077 48 60 W |
| Interchange 1 | Crossing | 139 | Washington | 39 35 15 N | 077 49 00 W |
| Woodburn on the Potomac | Populated Place | 127 | Washington | 39 31 25 N | 077 48 59 W |
| Williamsport Memorial Library | Building | 128 | Washington | 39 36 03 N | 077 48 57 W |
| Toms Run | Stream | | Washington | 39 42 01 N | 077 48 52 W |
| Williamsport Station | Locale | 140 | Washington | 39 34 58 N | 077 48 50 W |
| Bethel Graveyard | Cemetery | 156 | Washington | 39 41 23 N | 077 48 48 W |
| Kemps | Populated Place | 128 | Washington | 39 36 49 N | 077 48 48 W |
| Bethel Church of God | Church | 156 | Washington | 39 41 23 N | 077 48 47 W |
| Woburn School (historical) | School | 139 | Washington | 39 30 39 N | 077 48 46 W |
| Greenlawn Cemetery | Cemetery | 139 | Washington | 39 35 32 N | 077 48 44 W |
| Springfield Middle School | School | 137 | Washington | 39 35 36 N | 077 48 43 W |
| Williamsport High School | School | 140 | Washington | 39 35 47 N | 077 48 37 W |
| Interchange 24 | Crossing | 125 | Washington | 39 37 49 N | 077 48 34 W |
| Williamsport Elementary School | School | 142 | Washington | 39 35 59 N | 077 48 33 W |
| Cloverton | Populated Place | 133 | Washington | 39 36 24 N | 077 48 32 W |
| Washington Four | Populated Place | 142 | Washington | 39 30 40 N | 077 48 27 W |
| Mount Tabor United Brethren Church | Church | 169 | Washington | 39 40 05 N | 077 48 19 W |
| Ziem Winery | Locale | 134 | Washington | 39 32 32 N | 077 48 16 W |
| Interstate Industrial Park | Locale | 139 | Washington | 39 35 50 N | 077 48 15 W |
| District 2 (Williamsport) Election District | Civil | 138 | Washington | 39 36 00 N | 077 48 14 W |
| Interchange 2 | Crossing | 134 | Washington | 39 36 20 N | 077 48 11 W |
| Broadfording | Populated Place | 121 | Washington | 39 41 09 N | 077 48 10 W |
| Huyettes Mennonite School | School | 152 | Washington | 39 39 07 N | 077 48 10 W |
| Downsville | Populated Place | 141 | Washington | 39 32 54 N | 077 48 06 W |
| Blackfords Ferry (historical) | Crossing | 85 | Washington | 39 26 10 N | 077 48 05 W |
| James Rumsey Bridge | Bridge | 85 | Washington | 39 26 11 N | 077 48 05 W |
| Sylvan Grove School (historical) | School | 175 | Washington | 39 39 56 N | 077 47 60 W |
| Downsville Church of the Brethren | Church | 147 | Washington | 39 33 01 N | 077 47 59 W |
| Spring Hill Estates | Populated Place | 176 | Washington | 39 39 55 N | 077 47 58 W |