Mount Washington Observatory, NH Sad to Share the News of Marty the Cat’s Passing After twelve years of living on the summit of Mount Washington, Marty the Cat has passed on. Marty was beloved by Mount Washington Observatory staff, Mount Washington State Park staff, and thousands of visitors from around the world. “It is with an incredibly heavy heart that we have to share the news of Marty’s passing due to an unforeseen illness. […] SnowBrains | November 13, 2020 0 Comments