In Reply to: To Sumatra from Bali or...? posted by questionsquestions on Friday, 13. June 2014 at 09:55 Bali Time:
I think it would be best to fly from Bali. Your flight will probably be through Jakarta.
In Sumatra, you could see:
Nias
Metawais
Bukitinggi
Lake Toba
Bukit Lawang Orangatuan Reserve