Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Souhegan River Watershed Dam Number 26 | Dam | 272 | Hillsborough | 42 50 30 N | 071 49 58 W |
| Souhegan River Watershed Dam Number 28 | Dam | 256 | Hillsborough | 42 53 06 N | 071 48 46 W |
| Souhegan River Watershed Dam Number 33 | Dam | 211 | Hillsborough | 42 51 36 N | 071 44 58 W |
| Souhegan River Watershed Dam Number 35 | Dam | 327 | Hillsborough | 42 44 06 N | 071 52 52 W |
| Souhegan River Watershed Dam Number 8 | Dam | 211 | Hillsborough | 42 53 06 N | 071 46 04 W |
| Souhegan River Watershed Dike Number 12A | Dam | 267 | Hillsborough | 42 48 06 N | 071 50 10 W |
| Souhegan River Watershed Dike Number 13 | Dam | 293 | Hillsborough | 42 45 54 N | 071 50 34 W |
| Souhegan River Watershed Reservoir Number 13 | Reservoir | 294 | Hillsborough | 42 45 54 N | 071 50 34 W |
| South Branch Piscataquog River | Stream | | Hillsborough | 43 01 21 N | 071 37 16 W |
| South Branch Souhegan River | Stream | | Hillsborough | 42 43 51 N | 071 50 47 W |
| South Brookline | Populated Place | 76 | Hillsborough | 42 42 56 N | 071 39 40 W |
| South Cemetery | Cemetery | 139 | Hillsborough | 42 43 51 N | 071 35 27 W |
| South Hill | Summit | 313 | Hillsborough | 42 56 02 N | 071 42 01 W |
| South Lyndeboro Post Office (historical) | Post Office | 201 | Hillsborough | 42 52 46 N | 071 47 00 W |
| South Lyndeborough | Populated Place | 200 | Hillsborough | 42 52 48 N | 071 47 01 W |
| South Lyndeborough Cemetery | Cemetery | 217 | Hillsborough | 42 52 45 N | 071 46 05 W |
| South Main Street Congregational Church | Church | 55 | Hillsborough | 42 58 43 N | 071 28 42 W |
| South Merrimack | Populated Place | 66 | Hillsborough | 42 48 17 N | 071 33 18 W |
| South Merrimack Congregational Church | Church | 60 | Hillsborough | 42 48 19 N | 071 33 25 W |
| South Milford | Populated Place | 87 | Hillsborough | 42 49 28 N | 071 39 37 W |
| South Mountain | Summit | 394 | Hillsborough | 42 59 00 N | 071 35 20 W |
| South Quaker Cemetery | Cemetery | 264 | Hillsborough | 43 04 50 N | 071 45 32 W |
| South Weare | Populated Place | 188 | Hillsborough | 43 03 22 N | 071 42 51 W |
| South Yard Cemetery | Cemetery | 191 | Hillsborough | 42 49 39 N | 071 46 16 W |
| Southside Bible Fellowship Church | Church | 77 | Hillsborough | 42 57 11 N | 071 26 16 W |
| Southside Junior High School | School | 106 | Hillsborough | 42 58 06 N | 071 26 18 W |
| Spaulding Brook | Stream | | Hillsborough | 42 45 37 N | 071 40 49 W |
| Spaulding House | Building | 90 | Hillsborough | 43 02 22 N | 071 27 19 W |
| Spit Brook | Stream | | Hillsborough | 42 43 02 N | 071 26 23 W |
| Spofford Gap | Gap | 425 | Hillsborough | 42 48 29 N | 071 53 22 W |
| Spruce Swamp | Swamp | 248 | Hillsborough | 42 57 19 N | 071 53 37 W |
| Squamscot Bog | Swamp | 281 | Hillsborough | 43 04 40 N | 071 46 11 W |
| Stanton Park | Park | 66 | Hillsborough | 42 59 03 N | 071 27 30 W |
| Stark Brook | Stream | | Hillsborough | 42 44 14 N | 071 52 57 W |
| Stark Hall | Building | 89 | Hillsborough | 43 02 27 N | 071 27 17 W |
| Stark Park | Park | 66 | Hillsborough | 43 00 53 N | 071 28 15 W |
| Stark School (historical) | School | 93 | Hillsborough | 43 01 50 N | 071 28 10 W |
| State Teachers School (historical) | School | 77 | Hillsborough | 43 00 23 N | 071 27 44 W |
| Stearns Pond | Lake | 222 | Hillsborough | 42 53 42 N | 071 41 01 W |
| Steck Farm Airport | Airport | 139 | Hillsborough | 42 44 49 N | 071 22 07 W |
| Steel Pond Dam | Dam | 264 | Hillsborough | 43 04 48 N | 071 58 04 W |
| Steels Pond | Reservoir | 264 | Hillsborough | 43 04 48 N | 071 58 04 W |
| Stevens Park | Park | 101 | Hillsborough | 42 59 08 N | 071 26 04 W |
| Stevens Pond | Lake | 96 | Hillsborough | 42 59 43 N | 071 25 20 W |
| Stevens Pond Park | Park | 100 | Hillsborough | 42 59 44 N | 071 25 31 W |
| Stickney Brook | Stream | | Hillsborough | 42 43 11 N | 071 39 19 W |
| Still Pond | Lake | 181 | Hillsborough | 43 00 19 N | 071 42 00 W |
| Stimson Hill | Summit | 303 | Hillsborough | 42 53 48 N | 071 46 49 W |
| Stonehouse Brook | Stream | | Hillsborough | 42 43 53 N | 071 39 39 W |
| Stony Brook | Stream | | Hillsborough | 42 50 39 N | 071 44 21 W |
| Stony Top | Summit | 532 | Hillsborough | 42 44 23 N | 071 55 08 W |
| Storey Hill | Summit | 308 | Hillsborough | 42 55 46 N | 071 41 31 W |
| Stowe Hill | Summit | 490 | Hillsborough | 43 09 45 N | 072 00 24 W |
| Stowell Cemetery | Cemetery | 69 | Hillsborough | 42 56 57 N | 071 23 33 W |
| Straw School | School | 72 | Hillsborough | 42 59 58 N | 071 27 47 W |
| Strawberry Hill | Summit | 140 | Hillsborough | 42 55 21 N | 071 30 31 W |
| Stump Pond | Reservoir | 59 | Hillsborough | 42 48 16 N | 071 33 29 W |
| Sucker Brook | Stream | | Hillsborough | 42 42 59 N | 071 33 08 W |
| Sugar Hill | Summit | 198 | Hillsborough | 43 08 39 N | 071 41 42 W |
| Sugar Hill School (historical) | School | 180 | Hillsborough | 43 08 18 N | 071 41 37 W |
| Sulphur Hill | Summit | 382 | Hillsborough | 43 06 39 N | 071 58 53 W |
| Sunnyside Cemetery | Cemetery | 56 | Hillsborough | 42 45 50 N | 071 25 39 W |
| Sunset Heights School | School | 49 | Hillsborough | 42 44 04 N | 071 26 46 W |
| Sunset Lake | Lake | 265 | Hillsborough | 42 57 50 N | 071 52 46 W |
| Supply Pond | Reservoir | 42 | Hillsborough | 42 47 29 N | 071 28 28 W |
| Supply Pond Dam | Dam | 42 | Hillsborough | 42 47 29 N | 071 28 28 W |
| Swartz Pond | Reservoir | 275 | Hillsborough | 42 54 18 N | 071 47 52 W |
| Swartz Pond Dam | Dam | 275 | Hillsborough | 42 54 18 N | 071 47 52 W |
| Sweeney Park | Park | 48 | Hillsborough | 42 58 56 N | 071 28 26 W |
| Tabernacle Baptist Church | Church | 59 | Hillsborough | 42 47 56 N | 071 26 06 W |
| Tabernacle Christian School | School | 60 | Hillsborough | 42 47 54 N | 071 26 06 W |
| Talbot Brook | Stream | | Hillsborough | 42 44 10 N | 071 40 21 W |
| Talbot Swamp | Swamp | 113 | Hillsborough | 42 43 32 N | 071 40 57 W |
| Tavern Village | Populated Place | 144 | Hillsborough | 43 02 21 N | 071 42 12 W |
| Taylor Falls Bridge | Bridge | 30 | Hillsborough | 42 45 49 N | 071 26 37 W |
| Taylor Pond | Reservoir | 112 | Hillsborough | 42 43 42 N | 071 40 52 W |
| Taylor Pond Dam | Dam | 112 | Hillsborough | 42 43 42 N | 071 40 52 W |
| Telford Hill | Summit | 217 | Hillsborough | 42 57 52 N | 071 34 52 W |
| Temple | Populated Place | 312 | Hillsborough | 42 49 05 N | 071 51 05 W |
| Temple Adath Yeshuru | Church | 81 | Hillsborough | 42 59 58 N | 071 27 22 W |
| Temple Beth Abraham | Church | 60 | Hillsborough | 42 46 12 N | 071 27 46 W |
| Temple Brook | Stream | | Hillsborough | 42 49 47 N | 071 48 15 W |
| Temple Congregational Church | Church | 316 | Hillsborough | 42 49 10 N | 071 51 08 W |
| Temple Elementary School | School | 313 | Hillsborough | 42 49 00 N | 071 51 07 W |
| Temple Heliport | Airport | 277 | Hillsborough | 42 47 23 N | 071 50 02 W |
| Temple Israel | Church | 76 | Hillsborough | 43 00 13 N | 071 27 42 W |
| Temple Mountain | Summit | 585 | Hillsborough | 42 49 18 N | 071 53 23 W |
| Temple Mountain Ski Area | Locale | 514 | Hillsborough | 42 50 40 N | 071 53 09 W |
| Temple Post Office | Post Office | 315 | Hillsborough | 42 49 08 N | 071 51 06 W |
| Temple Street School | School | 44 | Hillsborough | 42 45 42 N | 071 27 42 W |
| Temple Town Hall | Building | 311 | Hillsborough | 42 49 13 N | 071 51 01 W |
| Tenney Pond | Lake | 486 | Hillsborough | 42 58 17 N | 072 03 31 W |
| The Basin | Bay | 77 | Hillsborough | 42 57 44 N | 071 23 33 W |
| The Bedford Mall Shopping Center | Locale | 43 | Hillsborough | 42 57 28 N | 071 28 33 W |
| The Church of Jesus Christ of Latter Day Saints | Church | 146 | Hillsborough | 43 00 23 N | 071 25 10 W |
| The Church of Jesus Christ of Latter Day Saints | Church | 59 | Hillsborough | 42 46 39 N | 071 27 55 W |
| The Common | Park | 215 | Hillsborough | 42 52 46 N | 071 56 53 W |
| The Commons Shopping Center | Locale | 52 | Hillsborough | 42 52 18 N | 071 29 20 W |
| The Congregational Church of Amherst | Church | 81 | Hillsborough | 42 51 53 N | 071 37 33 W |
| The Four Hills | Summit | 84 | Hillsborough | 42 43 25 N | 071 31 11 W |
| The Mall of New Hampshire | Locale | 78 | Hillsborough | 42 57 22 N | 071 25 58 W |
| The Pinnacle | Summit | 513 | Hillsborough | 42 55 40 N | 071 47 34 W |
| The Pulpit | Basin | 159 | Hillsborough | 42 56 55 N | 071 36 34 W |
| The Stonehouse | Locale | 119 | Hillsborough | 42 44 04 N | 071 39 13 W |
| The Wells School | School | 245 | Hillsborough | 42 54 03 N | 071 57 15 W |
| The Whirlpool | Rapids | 284 | Hillsborough | 42 44 13 N | 071 50 39 W |
| Thomas H Eckfeldt Memorial Medical Library | Building | 218 | Hillsborough | 42 52 43 N | 071 56 52 W |
| Thomas More College of Liberal Arts | School | 59 | Hillsborough | 42 48 24 N | 071 29 00 W |
| Thomas More College of Liberal Arts Library | Building | 59 | Hillsborough | 42 48 24 N | 071 29 00 W |
| Thompson Hill | Summit | 537 | Hillsborough | 43 11 21 N | 071 56 50 W |