Assertion: volcano's flank | /r/HasProperty | western
Facets:
Source sentences:
text: Paved roads run along the northern and southern-southwestern foot of Ubinas, connecting towns close to the volcano to Arequipa and allowing access to the volcano over its western flank.
text: On its western flank, the volcano also has a lahar, or mudflow deposit, which runs for about 35 kilometers (22 mi) into the White Chuck River Valley around 14,000 years ago.