The annual 'Firefall' at Horsetail falls is one of the Parks' most amazing spectacles and brings out thousands of visitors each year.
Time-lapse footage from last week showed a waterfall illuminated by the sun.
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The "firefall" can happen anytime between mid-to-late February, when the setting sun hits Horsetail Fall at the right angle to create the illusion of a lava-like stream.
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But Yosemite officials said most of the year, Horsetail Falls is one of the park's less-remarkable waterfalls.
Reservations are usually required to enter Yosemite on certain dates and especially during the Horsetail event. You can see what's available by clicking here.
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