This is a list of extreme points of Massachusetts, which are points that extend farther north, south, east or west than any other part of Massachusetts. Also included are the highest point, the lowest point and the geographic center.
| Extreme | Point | Municipality |
|---|---|---|
| Northernmost | Grape Hill (Approx. 1 mile NW of Salisbury Plains) | Salisbury |
| Southernmost | Old Man Shoal (Approx. 4 miles WSW of Siasconset) | Nantucket, off the southeastern coast |
| Westernmost | Near Alander Mountain | Mount Washington |
| Easternmost | Nauset Light Beach (Cape Cod National Seashore) | Eastham |
| Highest | Mount Greylock | Adams |
| Lowest | (Sea level) | (around many municipalities) |
| Geographic Center | Central Tree | Rutland |