Following are a number of back-translations as well as a sample translation for translators of Isaiah 49:11:

• Kupsabiny: “I shall arrange/prepare a path that crosses over the top of a mountain
  and I shall prepare for my people a road there in the mountain.” (Source: Kupsabiny Back Translation)
• Newari: “I will make mountains into flat road,
  and I will make all my highways raise up.” (Source: Newari Back Translation)
• Hiligaynon: “I will-make my mountains their roads/paths. The high places will-become a wide/broad roads/paths.” (Source: Hiligaynon Back Translation)
• English: “And I will cause the mountains to become as though they were level roads,
  and I will prepare good highways for my people to travel on, to return to Jerusalem.” (Source: Translation for Translators)