"A late‑February natural spectacle occurs when sunset light illuminates an east-side waterfall on a cliff face, creating a glowing, lava-like 'firefall' effect; the phenomenon requires a clear western sky and sufficient water flow, and managed reservations will be required on select February dates in 2025 to limit crowds." - Stephanie Vermillion Stephanie Vermillion Stephanie Vermillion is a travel journalist and photographer covering culture and adventure for Travel + Leisure Outside, and more. Travel + Leisure Editorial Guidelines