This article is about a mountain located in Peterborough and Temple, New Hampshire and should not be confused with the nearby Mount Monadnock. For other uses of the term, see Monadnock (disambiguation)Pack Monadnock or Pack Monadnock Mountain 2,290 feet (700 m), is the highest peak of the Wapack Range of mountains and the highest point in Hillsborough County, New Hampshire. The mountain, a monadnock, is located in south-central New Hampshire within the towns of Peterborough and Temple.