For Dumai – and ferries to Melaka and Kuala Lumpur in Malaysia – minibuses leave Bukittinggi nightly at 8pm (120,000Rp, nine hours). Departures are timed to link with the ferry from Dumai to Batam (350,000Rp, 6am) and Melaka (335,000Rp, 9.30am). Prebooking is required. BWE can also book the ferry; you’ll need to drop in the day before departure with your passport. No English spoken.