Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Wilder Flat | Flat | 212 | Franklin | 42 33 55 N | 072 43 33 W |
| Williams Brook | Stream | | Franklin | 42 30 02 N | 072 28 44 W |
| Williams Pond | Reservoir | 208 | Franklin | 42 38 25 N | 072 16 53 W |
| Williams Pond | Swamp | 428 | Franklin | 42 30 43 N | 072 50 08 W |
| Willis Brook | Stream | | Franklin | 42 37 35 N | 072 50 21 W |
| Willow Brook | Stream | | Franklin | 42 31 43 N | 072 16 05 W |
| Wills Hill | Summit | 169 | Franklin | 42 34 46 N | 072 32 08 W |
| Wilson Brook | Stream | | Franklin | 42 39 11 N | 072 20 56 W |
| Wilson Hill | Summit | 462 | Franklin | 42 42 27 N | 072 44 38 W |
| WNMH-FM (Northfield) | Tower | 106 | Franklin | 42 42 52 N | 072 26 36 W |
| Wood Dam | Dam | 108 | Franklin | 42 37 30 N | 072 32 52 W |
| Woods Ice Pond | Reservoir | 161 | Franklin | 42 34 40 N | 072 17 33 W |
| Woolman Hill | Summit | 122 | Franklin | 42 33 35 N | 072 34 53 W |
| Workman Brook | Stream | | Franklin | 42 39 15 N | 072 37 33 W |
| WRSI-FM (Greenfield) | Tower | 375 | Franklin | 42 41 50 N | 072 36 18 W |
| Zoar | Populated Place | 190 | Franklin | 42 39 09 N | 072 55 53 W |
| 711 Boston Road Mall Shopping Center | Locale | 68 | Hampden | 42 08 00 N | 072 31 19 W |
| Abbey Appleton Hall | Building | 66 | Hampden | 42 06 09 N | 072 33 16 W |
| Abbey Brook | Stream | | Hampden | 42 08 57 N | 072 35 27 W |
| Abbott Brook | Stream | | Hampden | 42 15 40 N | 072 57 30 W |
| Abbott Hill | Summit | 435 | Hampden | 42 17 25 N | 072 58 00 W |
| Abner Gibbs School | School | 48 | Hampden | 42 06 51 N | 072 45 13 W |
| Academy Historic District | Park | 91 | Hampden | 42 07 25 N | 072 25 52 W |
| Acres Congregation-Jehovah Church | Church | 73 | Hampden | 42 07 03 N | 072 30 13 W |
| Acushnet Avenue School | School | 29 | Hampden | 42 05 30 N | 072 34 43 W |
| Adams Cemetery | Cemetery | 82 | Hampden | 42 06 30 N | 072 26 18 W |
| Adams Hall | Building | 67 | Hampden | 42 06 44 N | 072 33 26 W |
| Advent Christian Church | Church | 61 | Hampden | 42 07 16 N | 072 45 37 W |
| Afro-American Cultural Center | Building | 64 | Hampden | 42 06 43 N | 072 33 32 W |
| Agawam | Populated Place | 25 | Hampden | 42 04 10 N | 072 36 53 W |
| Agawam Baptist Church | Church | 30 | Hampden | 42 04 04 N | 072 36 53 W |
| Agawam Church of the Bible | Church | 27 | Hampden | 42 03 35 N | 072 37 00 W |
| Agawam Congregational Church | Church | 28 | Hampden | 42 03 04 N | 072 36 54 W |
| Agawam High School | School | 65 | Hampden | 42 04 27 N | 072 38 41 W |
| Agawam Junior High School | School | 63 | Hampden | 42 03 52 N | 072 40 25 W |
| Agawam Middle School | School | 30 | Hampden | 42 05 16 N | 072 37 30 W |
| Agawam Regional Industrial Park | Locale | 58 | Hampden | 42 03 32 N | 072 39 31 W |
| Agawam Shopping Center | Locale | 64 | Hampden | 42 04 28 N | 072 39 13 W |
| Agawam Town Hall | Building | 26 | Hampden | 42 05 19 N | 072 37 34 W |
| Agawam United Methodist Church | Church | 62 | Hampden | 42 04 17 N | 072 38 49 W |
| Agawam-Springfield Seaplane Harbor Base | Airport | 21 | Hampden | 42 04 30 N | 072 35 26 W |
| Ahearn Heliport | Airport | 86 | Hampden | 42 11 29 N | 072 26 58 W |
| Alden Baptist Church | Church | 63 | Hampden | 42 06 34 N | 072 34 16 W |
| Alden Brook | Stream | | Hampden | 41 59 24 N | 072 17 05 W |
| Alden Pond | Reservoir | 98 | Hampden | 42 11 55 N | 072 24 18 W |
| Alden Pond Dam | Dam | 97 | Hampden | 42 11 54 N | 072 24 16 W |
| Aldenville | Populated Place | 65 | Hampden | 42 10 22 N | 072 35 53 W |
| Aldenville Branch Chicopee Public Library | Building | 65 | Hampden | 42 10 13 N | 072 35 47 W |
| Alfred G Zanetti Montessori Magnet School | School | | Hampden | 42 05 57 N | 072 35 11 W |
| Alfred M Glickman Elementary School | School | 69 | Hampden | 42 06 50 N | 072 30 40 W |
| Alice B Beal School | School | 58 | Hampden | 42 04 26 N | 072 32 41 W |
| Allen Park | Park | 53 | Hampden | 42 07 22 N | 072 45 38 W |
| Allen Plains | Plain | 83 | Hampden | 42 09 31 N | 072 45 19 W |
| Allen Street Shopping Center | Locale | 66 | Hampden | 42 05 44 N | 072 30 33 W |
| Alpert Field | Locale | 65 | Hampden | 42 08 55 N | 072 34 13 W |
| Alpha and Omega Ministry Church | Church | 21 | Hampden | 42 06 58 N | 072 36 23 W |
| Alumnae Library College of Our Lady of the Elms | Building | 47 | Hampden | 42 08 35 N | 072 35 58 W |
| Alumni House | Building | 64 | Hampden | 42 06 43 N | 072 33 00 W |
| Amaron Hall | Building | 62 | Hampden | 42 06 47 N | 072 33 29 W |
| American International College | School | 63 | Hampden | 42 06 45 N | 072 33 28 W |
| Ames Hill-Crescent Hill Historic District | Park | 59 | Hampden | 42 05 56 N | 072 34 32 W |
| Ames-Big Y Shopping Center | Locale | 88 | Hampden | 42 01 33 N | 072 47 18 W |
| Amostown | Populated Place | 78 | Hampden | 42 07 35 N | 072 39 33 W |
| Anne McHugh Primary School | School | 58 | Hampden | 42 12 06 N | 072 37 00 W |
| Apostolic Christian Church | Church | 27 | Hampden | 42 11 59 N | 072 36 31 W |
| Appalachian Mountain Club | Locale | 351 | Hampden | 42 08 08 N | 072 51 28 W |
| Apremont Park | Park | 85 | Hampden | 42 09 48 N | 072 43 32 W |
| Apremont Triangle Historic District | Park | 29 | Hampden | 42 06 20 N | 072 35 20 W |
| Arm Brook | Stream | | Hampden | 42 08 35 N | 072 44 33 W |
| Arm Brook Dam | Dam | 60 | Hampden | 42 08 54 N | 072 44 16 W |
| Arm Brook Reservoir | Reservoir | 66 | Hampden | 42 08 54 N | 072 44 16 W |
| Armory Square | Park | 61 | Hampden | 42 06 29 N | 072 34 48 W |
| Armory Street Park | Park | 51 | Hampden | 42 07 10 N | 072 35 18 W |
| Armory Street School | School | 62 | Hampden | 42 07 17 N | 072 35 17 W |
| Arthur T Talmadge School | School | 64 | Hampden | 42 05 45 N | 072 30 53 W |
| Ashley Cemetery | Cemetery | 19 | Hampden | 42 08 25 N | 072 37 38 W |
| Ashley Cutoff | Reservoir | 94 | Hampden | 42 10 32 N | 072 38 57 W |
| Ashley Elementary School | School | 40 | Hampden | 42 08 56 N | 072 38 04 W |
| Ashley Pond | Reservoir | 97 | Hampden | 42 10 00 N | 072 40 04 W |
| Ashley Pond Dam | Dam | 101 | Hampden | 42 10 00 N | 072 40 04 W |
| Ashley Street School | School | 46 | Hampden | 42 06 57 N | 072 44 38 W |
| Ashleyville | Populated Place | 25 | Hampden | 42 09 30 N | 072 37 58 W |
| Assembly of Christian Church | Church | 65 | Hampden | 42 14 41 N | 072 35 30 W |
| Assumption School | School | 44 | Hampden | 42 08 45 N | 072 36 16 W |
| Athol Junction | Populated Place | 64 | Hampden | 42 07 40 N | 072 33 43 W |
| Atwater Park | Park | 50 | Hampden | 42 07 55 N | 072 36 13 W |
| Avery Field | Park | 52 | Hampden | 42 12 40 N | 072 36 47 W |
| Babb Hill | Summit | 469 | Hampden | 42 07 22 N | 072 59 23 W |
| Babbitt Mountain | Summit | 407 | Hampden | 42 03 00 N | 073 02 51 W |
| Babcock Brook | Stream | 355 | Hampden | 42 04 52 N | 072 58 23 W |
| Babson Library | Building | 62 | Hampden | 42 06 11 N | 072 33 18 W |
| Bad Luck Mountain | Summit | 346 | Hampden | 42 04 44 N | 072 52 04 W |
| Bagg Brook | Stream | | Hampden | 42 07 25 N | 072 37 23 W |
| Baird Four Corners | Populated Place | 365 | Hampden | 42 07 15 N | 072 55 53 W |
| Baker Pond | Reservoir | 214 | Hampden | 42 09 35 N | 072 08 23 W |
| Bald Mountain | Summit | 300 | Hampden | 42 02 10 N | 072 24 08 W |
| Bald Peak | Summit | 296 | Hampden | 42 08 30 N | 072 20 53 W |
| Baldwin Pond | Reservoir | 137 | Hampden | 42 07 50 N | 072 22 19 W |
| Baldwin Pond Dam | Dam | 143 | Hampden | 42 07 48 N | 072 22 22 W |
| Ball Mountain | Summit | 318 | Hampden | 42 11 40 N | 072 47 48 W |
| Balloon Port at Dingley Dell | Airport | 140 | Hampden | 42 07 13 N | 072 15 20 W |
| Baptist Hill | Summit | 153 | Hampden | 42 10 15 N | 072 21 08 W |
| Baptist Village | Populated Place | 67 | Hampden | 42 02 50 N | 072 28 13 W |
| Barber Camp | Locale | 409 | Hampden | 42 06 10 N | 072 57 08 W |
| Barnes Municipal Airport | Airport | 79 | Hampden | 42 09 27 N | 072 42 54 W |
| Barnes Pond | Reservoir | 89 | Hampden | 42 08 21 N | 072 48 44 W |
| Barrows Playground | Locale | 64 | Hampden | 42 06 20 N | 072 34 25 W |
| Barry Brook | Stream | | Hampden | 42 08 03 N | 072 42 05 W |
| Barry School | School | 65 | Hampden | 42 09 57 N | 072 35 15 W |
| Bass Pond | Lake | 63 | Hampden | 42 06 23 N | 072 30 03 W |