The following is a list of old-growth forests in the Commonwealth of Massachusetts. Old growth is defined as those forests that have not been logged (and have not been significantly disturbed by human beings) in the last 150 years. "Virgin forests" are those old-growth forests that show no sign of having ever been logged.
A total of {{convert|2742|acre|ha}} of old-growth forest has been identified in Massachusetts.[1] Massachusetts' old growth occurs almost entirely within the Northeastern Highlands ecoregion. The following list identifies some of the sites and their locations:[2]
| Name | Location | Size (ha) | Coordinates | Elevation (m) | Aspect | | Burgoyne Pass | Beartown State Forest | 1.2 | 42|16|3|N|73|17|8|W}} | 390-470 | S–SW |
| Ice Gulch | East Mountain State Forest | 3.6 | 42|9|30|N|73|19|18|W}} | 405–440 | SE–SW |
| Cold River: Route 2 to Black Brook | Mohawk Trail State Forest/Cold River Virgin Forest | 38.4 | 42|38|7|N|72|58|48|W}} | 350–420 | NW–NE |
| Cold River: Route 2 to Black Brook Picnic Area | Mohawk Trail State Forest/Cold River Virgin Forest | 14.2 | 42|37|48|N|72|58|0|W}} | 320–450 | N–NW |
| Lower Gulf Brook | Mohawk Trail State Forest | 6.1 | 42|37|53|N|72|59|52|W}} | 380–415 | NW |
| Manning Brook | Mohawk Trail State Forest | 6.1 | 42|38|23|N|72|59|20|W}} | 375–420 | NE |
| Black Brook | Mohawk Trail State Forest | 10.1 | 42|37|45|N|72|58|12|W}} | 360–500 | N–NW |
| Tannery Falls | Mohawk Trail State Forest | 3.6 | 42|37|39|N|73|0|12|W}} | 390–420 | NW |
| Todd and Clark Mountains | Mohawk Trail State Forest | 80.9 | 42|38|50|N|72|56|45|W}} | 330–460 | Varied |
| Trout Brook West | Mohawk Trail State Forest | 6.1 | 42|37|57|N|72|56|19|W}} | 410–450 | E |
| Hawks Mountain | Mohawk Trail State Forest | 2 | 42|37|45|N|72|55|34|W}} | 360–410 | NW |
| Thumper Mountain | Mohawk Trail State Forest | 0.8 | 42|38|23|N|72|56|6|W}} | 250–270 | NE |
| Middle Cold River to Route 2 | Mohawk Trail State Forest / Savoy Mountain State Forest/ | 18.2 | 42|38|3|N|72|59|29|W}} | 360–415 | N |
| Upper Cold River | Mohawk Trail State Forest / Savoy Mountain State Forest | 32.4 | 42|39|7|N|73|1|0|W}} | 390–450 | Varied |
| Upper Gulf Brook | Mohawk Trail State Forest / Savoy Mountain State Forest | 8.1 | 42|37|59|N|73|0|43|W}} | 380–415 | NE |
| Bear Swamp | Monroe State Forest | 12.1 | 42|41|50|N|72|57|31|W}} | 360–480 | E |
| Dunbar Brook | Monroe State Forest | 8.1 | 42|42|14|N|72|58|8|W}} | 390–490 | NE |
| Parsonage Brook | Monroe State Forest | 1.6 | 42|42|44|N|72|58|46|W}} | 470–510 | NW |
| Spruce Mountain | Monroe State Forest | 1.6 | 42|42|52|N|72|59|56|W}} | 600–670 | SE |
| Smith Brook-Deerfield River | Monroe State Forest | 1.6 | 42|41|58|N|72|58|56|W}} | 360–450 | NE |
| Hunt Hill | Monroe State Forest | 2.8 | 42|41|25|N|72|58|53|W}} | 520–600 | SE |
| Mount Everett-Glen Brook | Mount Everett State Reservation | 14.2 | 42|6|37|N|73|25|32|W}} | 490–560 | NE |
| Mount Everett-Guilder Pond | Mount Everett State Reservation | 1.6 | 42|6|36|N|73|26|22|W}} | 610–630 | SW |
| The Hopper | Mount Greylock State Reservation | 46.5 | 42|39|2|N|73|9|58|W}} | 540–720 | Varied |
| Stony Ledge | Mount Greylock State Reservation | 4 | 42|38|54|N|73|11|34|W}} | 675–720 | NE |
| Mount Williams | Mount Greylock State Reservation | 10.1 | 42|40|32|N|73|9|59|W}} | 510–600 | NW–NE |
| Roaring Brook | Mount Greylock State Reservation | 10.1 | 42|37|44|N|73|12|5|W}} | 550–630 | N–NW |
| Mount Wachusett | Wachusett Mountain State Reservation | 80.9 | 42|29|0|N|71|53|0|W}} | 425–520 | Varied |
| Bash Bish Falls | Mount Washington State Forest | 15.4 | 42|6|47|N|73|29|43|W}} | 415–485 | N–NE |
| Mount Race | Mount Washington State Forest | 2 | 42|4|39|N|73|25|47|W}} | 645–710 | Varied |
| Sages Ravine-Bear Rock Falls | Mount Washington State Forest | 4.9 | 42|3|18|N|73|26|4|W}} | 350–420 | N |
| Alander Mountain | Mount Washington State Forest | 2 | 42|5|7|N|73|28|48|W}} | 585–610 | SW |
| The Rivulet | William Cullen Bryant Homestead[3][4] | 80 | 42|28|16|N|72|56|26|W}} | 373-446 |
| Windsor Jambs | Windsor State Forest | 1.2 | 42|31|20|N|72|59|35|W}} | 430–475 | SW |
1. ^{{cite web |url=http://www.primalnature.org/ogeast/survey.html |title=Old Growth in the East: A Survey |author=Mary Byrd Davis |date= 23 January 2008 |archiveurl=https://web.archive.org/web/20120217114843/http://www.primalnature.org/ogeast/survey.html |archivedate=17 February 2012 |accessdate=27 August 2013}}
2. ^{{cite journal |last = D'Amato|first = A.|author2=Orwig, D. |author3=Foster, D. |year = 2006|title = New Estimates of Massachusetts Old-growth Forests: Useful Data for Regional Conservation and Forest Reserve Planning|journal = Northeastern Naturalist |volume = 13|issue = 4|pages = 495–506|url = http://harvardforest.fas.harvard.edu/publications/pdfs/DAmato_NENaturalist_2006.pdf|accessdate = 2008-12-31 |doi = 10.1656/1092-6194(2006)13[495:NEOMOF]2.0.CO;2}}
3. ^{{cite web |url=http://www.oldgrowthforest.net/the-rivulet-at-the-william-cullen-bryant |title=The Rivulet at William Cullen Bryant Homestead |author=Old Growth Forest Network |accessdate=17 January 2019}}
4. ^{{cite web |url=http://www.nativetreesociety.org/fieldtrips/mass/bryant_woods.htm|title=The Bryant Woods |author=Eastern Native Tree Society|accessdate=17 January 2019}}
{{Massachusetts}}{{Protected Areas of Massachusetts}}