Best Time To See Firefall Yosemite 2025. Here’s what you need to know regarding the park’s reservation requirements, what conditions are needed to see the full “firefall” effect, and the history of the original yosemite firefall and the connection to horsetail fall. The national park service estimates that your chance to see the lights is.

Here’s what you need to know regarding the park’s reservation requirements, what conditions are needed to see the full “firefall” effect, and the history of the original yosemite firefall and the connection to horsetail fall. This is when the sun is at the optimum position to make horsetail fall appear to change the water falling over the cliff.