KEEP IN MIND, of course, that cloud cover and weather events can impact the afternoon show — no sunshine means no glow from ...

This time, reservations will be required for the park’s popular Horsetail Fall “firefall” event, a natural phenomenon that has become one of the most photographed scenes in the park.

Should the sunset properly backlight a small waterfall known as Horsetail Fall just so, the cascading water becomes a “firefall,” taking on an orange glow that can appear very lava-like. The ...