Kelley

The park rangers in Glacier National Park exercised judgment as to how to maintain safe trails, as no policy or regulation mentioned the removal of snow or ice from trails. See Kelly v. United States, 241 F.3d 755, 760-62 (9th Cir.2001) (stating that discretion existed when safety policy did not mention, let alone prescribe a specific course of conduct). The maintenance manual vested park employees with broad discretion to decide how to maintain the trails (whether they were primary or steps constructed of wood) in a manner that implemented the general policy goals of promoting public safety (as well as protecting the natural resources and providing public access). Blackburn v. United States, 100 F.3d 1426, 1431 (9th Cir.1996); Valdez v. United States, 56 F.3d 1177, 1179-80 (9th Cir.1995); Childers v. United States, 40 F.3d 973 , 975-76 (9th Cir.1994); cf. Oberson v. U.S. Dep’t of Agrie., 441 F.3d 703 (9th Cir.2006); Whisnant v. United States, 400 F.3d 1177 (9th Cir. 2005).

We reject the argument that the court misstated facts or overlooked material disputed facts; rather, we conclude that the factual findings were not clearly erroneous. “Treading” a path across a drift of snow…