How do you say “canyon” in Vietnamese?

Vietnamese words for “canyon”

• hẻm núiListennoun
  Hanoi [hɛm˧˩ nuj˧˦] · Saigon [hɛm˨˩˦ nuj˦˥]hẻm dipping núi rising

  canyon

  for “canyon” meaning: A valley, especially a long, narrow, steep valley, cut in rock by a river.

• vựcListennoun
  Hanoi [vɨk̚˧˨ʔ] · Saigon [vɨk̚˨˩˨]vực heavy

  canyon; gorge

  for “canyon” meaning: A valley, especially a long, narrow, steep valley, cut in rock by a river.