Published data that describe the distribution and reproductive patterns of bats in New Hampshire are sparse. We examined the distribution and reproductive phenology of bats within Pisgah State Park (the largest state park in New Hampshire) located in the southwestern region of the state. A total of 159 bats was captured during 31 net nights at 29 net sites during the summers of 2004 and 2005. In order of decreasing abundance, the most common species were Myotis lucifugus (little brown myotis), Eptesicus fuscus (big brown bat), and M. septentrionalis (northern myotis). Additionally, a single Lasiurus borealis (eastern red bat) was captured. Approximately equal numbers of adult male and female little brown myotis and northern myotis were observed, while sex ratios of big brown bats were female biased. Pregnant females of each species were observed between mid-May and early June, and parturition occurred during mid- to late June. Captures of juvenile little brown myotis indicate that weaning begins during early July (juveniles of other species were not captured).