6.1K reactions · 768 shares | Hundreds of people gather in Yosemite Valley each year for Horsetail Fall's natural "firefall" phenomenon. When conditions are right, the waterfall becomes a bright, fiery orange flow for a few minutes as the sun sets. There are many things to be aware of before planning a trip to see this amazing natural event. Our guide can help you have the best experience. | Yosemite Nation | Facebook