Horsetail Fall, where Firefall occurs each year, is only active during the winter months when there is runoff from melting snow, according to the Yosemite Conservancy.

Icicles are seen at Tunnel View in Yosemite Valley as public interest in the annual Firefall at Horsetail Fall approaches this month. Photographed Friday, Feb 9, 2024 in Yosemite National Park.

The annual firefall from Horsetail Fall in Yosemite Valley glows after the sun has disappeared below the horizon of the national park about 5:30 p.m. on Tuesday, Feb. 16, 2010. ERIC PAUL ZAMORA ...

Icicles are seen at Tunnel View in Yosemite Valley as public interest in the annual Firefall at Horsetail Fall approaches this month. Photographed Friday, Feb 9, 2024 in Yosemite National Park.

Visitors from Ireland interested in viewing the annual Firefall read an informational post located near Yosemite Lodge in Yosemite Valley Friday, Feb 9, 2024 in Yosemite National Park.

Icicles are seen at Tunnel View in Yosemite Valley as public interest in the annual Firefall at Horsetail Fall approaches this month. Photographed Friday, Feb 9, 2024 in Yosemite National Park.

Visitors from Ireland interested in viewing the annual Firefall read an informational post located near Yosemite Lodge in Yosemite Valley Friday, Feb 9, 2024 in Yosemite National Park.

According to Yosemite National Park, the event’s popularity has led to significant overcrowding, resulting in traffic congestion, parking issues and safety concerns. That’s why the park ...

Upper Yosemite Fall can be seen far in the center background. Icicles are seen at Tunnel View in Yosemite Valley as public interest in the annual Firefall at Horsetail Fall approaches this month.