The Bandeira Waterfall (, ) is a tall waterfall in the municipality of Ermera, Timor-Leste. It forms part of a minor tributary of the Loes River.
The waterfall is located just to the east of the âÂÂAtsabe road near Atsabe in the Ermera municipality. The tallest waterfall in Timor-Leste, it has been described as "é de registar" (), and as "... an impressive sight in the wet season."
At the waterfall, the Bandeira River (, ) flows over a vertical cliff.
The river then feeds into the Magapu River, which is a tributary of the Loes River, and, at that point, marks the border between the sucos of (to its north) and (to its south).
The waterfall has been identified as having geotourism potential, and the river as being a hydrological resource with tourism potential.