Amanda Williams flew 3,200 ft over the Llanwonno mountain fire and captured this footage.
Firefighters have been tackling the blaze on the mountain in the Rhondda Valley since Saturday.
Four men were jailed for torching an elderly woman's house while she slept.
Widow Carol Ford, 82, escaped barefoot and in a nightie when it was targeted by arsonists.
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Carol Ford, 82, was asleep when her home was targeted over a relative's drug debts, a court hears.
Four men have admitted starting the fire in July, but a 19-year-old woman denies committing arson.
A 19-year-old woman denies committing arson in an attack on an 82-year-old's home last year.
Four men have admitted starting the fire, but a 19-year-old woman denies committing arson.
