Yosemite waterfall turns to ‘flowing lava’ A window of time just opened in Yosemite National Park when nature photographers wait, as if for an eclipse, until the moment when the sun and earth align to create a fleeting phenomenon. This marvel of celestial configuration happens in a flash at sunset in mid-February — if the winter weather cooperates. On those days the setting sun illuminates one of the park’s lesser-known waterfalls so precisely that it resembles molten lava as it flows over the sheer granite face of the imposing El Capitan. [Amazing Things in the World] More From Unofficial Networks Unofficial Networks Newsletter Get the latest snow and mountain lifestyle news and entertainment delivered to your inbox. HiddenNewsletters Daily - Mon - Fri at 3:00 p.m. Roundup - Sunday Morning Powder Alert Deals & Discounts Email(Required) PhoneThis field is for validation purposes and should be left unchanged. Δ