Tanzania’s National Parks service (Tanapa) said efforts to contain it were ongoing.
The cause of the fire is yet to be established.
The flames can be seen tens of miles away, the Citizen newspaper reports.
Tanapa shared a photo of the fire:
— Tanzania National Parks (@tzparks) October 11, 2020
Tanzania’s The Citizen Newspaper said the efforts of the communities were hampered by the altitude.
Mount Kilimanjaro is Africa’s highest mountain at 5,895 metres (19,340ft).