Learn more about the science behind Yosemite’s Horsetail Fall, which glows like fire every February, and will return between Feb. 10 and Feb. 26, 2026.

Between February 10 and 26, for a few minutes at sunset, Horsetail Fall glows like molten lava or cascading fire spilling down El Capitan. It is called the Yosemite "Firefall".

The annual Firefall from Horsetail Fall in Yosemite Valley glows after the sun has disappeared below the horizon. Conditions need to be just right for the glow: Skies must be clear just as the sun ...

When sunlight hits a tiny waterfall on the eastern side of Yosemite National Park’s El Capitan, it glows a gorgeous orange or red. For two weeks of the year, Horsetail Fall becomes firefall. The ...

When a park becomes famous for a single fleeting moment, it's easy to forget how many unforgettable ones ...