Backpacking through Sumatra: an off-the-beaten-path route

Sumatra is Indonesia’s largest island, yet much of its interior remains unfamiliar to travellers who stay on the Bali circuit. This route links the rainforest edge at Bukit Lawang with Batak villages around Lake Toba, produce markets and mountain trails near Berastagi, and the surf settlements of the Mentawai islands. It is a journey through changing landscapes rather than a checklist of famous temples.

Allow two weeks, plus one or two buffer days for weather and missed connections. The route begins in Medan, moves south through Bukit Lawang and Samosir, crosses the high country near Berastagi, then reaches Padang before a short sea crossing to the Mentawai coast. It suits backpackers comfortable with hostels, simple guesthouses, shared vans and local homestays, not travellers expecting the polished hostel scene of Bali or Lombok.

Mapping a quieter Sumatra route

Begin in Medan, known for its food and busy airport, but avoid staying long. Take a shared van toward Bukit Lawang, continue across the Samosir bridge and ferry to Tuk Tuk, then turn inland toward Berastagi. From there, a sequence of buses can reach Padang. The final leg is maritime: a boat from Padang to Sikakor, followed by a local transfer to Siantar or another Mentawai village. Moving in this order creates a southbound line with no backtracking.

Keep the bus and ferry details flexible rather than fixing every seat weeks ahead. Sumatra’s roads are busy, schedules slip, and a downpour can turn a short transfer into a long one. Traveloka, regional bus-company sites and local operators can simplify bookings, while guesthouse staff often know the newest departure board. For the Mentawai crossing, agree on the departure port, pickup point and weather cancellation terms in writing, and keep a spare night nearby.

Getting from Australia to Medan

Sydney and Melbourne usually offer one-stop connections to Jakarta through Singapore or Kuala Lumpur; Brisbane has comparable options, and Perth can be convenient for links through Southeast Asia. Compare the familiar Australian booking channels—airline websites, Expedia or Flight Centre—with Indonesian carriers such as Garuda, Citilink and Batik Air. A Jakarta–Medan flight is often inexpensive, but separate tickets require a generous connection buffer, ideally six hours or an overnight.

Australian passport holders are generally eligible for Indonesia’s 30-day visa on arrival, extendable once, though entry rules and arrival forms can change. Check Smartraveller before leaving and complete any required electronic arrival card. Australian travel conversation is often delightfully plain: “keen” means interested, while “no worries” softens a delay. “Selamat pagi” and “terima kasih” are equally useful once you arrive.

Bring some Australian dollars as a backup, then exchange only what you need. Cards work at larger hotels and businesses in Medan, while rural shops, small guesthouses and Mentawai homestays often need rupiah cash; ATMs can be empty near month-end. During a delayed connection, adults seeking mobile entertainment might browse fast payout casino apps, but Australians should check the licensing rules in their home state and age requirements first.

Reaching Bukit Lawang on foot

Medan’s distance is misleading. A shared minivan to Bukit Lawang normally takes four to five hours, winding through palm plantations and logged forest before reaching the village. Book the first departure, take a hostel transfer or arrange a private pickup, and leave room for traffic around the city. From the village centre, the main orangutan trails are roughly 60 to 90 minutes each way, so an overnight or two-night trek adds more than many itineraries assume.

A standard one-night trek visits a rehabilitation centre and follows forest trails to feeding sites. Join a locally run programme, follow the guide’s instructions, keep distance from the animals, and never feed or touch them. The paths can be slippery, leeches are common in wet weather, and rain often arrives quickly. Pack a dry layer for your return, insect repellent, a headlamp and a small first-aid kit; serious trekkers should add waterproof gaiters and a proper water bottle.

Slowing down around Lake Toba

After leaving Bukit Lawang, a direct or connecting minivan can carry you toward Samosir, depending on the day’s road conditions. Public ferries also cross Lake Toba from Tuk Tuk to Samosir, with motorcycles carried aboard, and the island’s villages reward slow travel. Simanindo offers a quieter lakeshore base, Ambarita preserves traditional Batak houses and a cultural centre, and Lumban Batu sits close to several small waterfalls. Stay at least three nights and use a local driver or scooter for the scattered sights.

A family guesthouse can place you in the middle of daily life: coffee, fish, coconut oil and ancestral ceremonies shape the rhythm as much as the lake views. When ordering food, say “tanpa daging” if you avoid meat, and “tanpa seafood” as well if fish sauce is a concern; terasi is widely used and may otherwise slip onto a vegetable dish. Because the villages are spread out, agree on a return time before taking a scooter at dusk, and use the helmet supplied by the owner. To continue south, ferry back toward Tuk Tuk and take a bus to Berastagi.

Markets, mountains and the road west

Berastagi’s market is the best place to watch the route change hands. Carrots, potatoes, chillies and cabbage arrive from the highlands while traders move sacks of rice and vegetables through narrow aisles. Wednesday and Saturday are the liveliest market days. A local guide can lead the two-day climb of Mount Sibayak, whose trails pass coffee plots, forest and a summit above the town; a local guesthouse can arrange food, board and a guide as a package.

The next transfer to Padang can be broken with a night in Sibolga, a fishing town on the west coast. The trip from Berastagi takes most of a day; the onward bus to Padang adds another three or four hours. Buy separate tickets if you want a rest stop, carry small rupiah notes and keep snacks for the road. Mountain passes, rain and enthusiastic horn use make this one of the route’s more tiring bus days.

Padang, Bukittinggi and the Mentawai islands

Padang rewards a slower day after the buses. Nasi Padang dishes arrive in small portions, with fried chicken, beef rendang, fish and vegetables seasoned by Sumatra’s Minangkabau cooks. Bukittinggi is two hours inland for Sianok Canyon and the limestone hills around Harau Valley. It can be visited as a day trip, keeping the onward base in Padang.

The fast boat to Sikakor usually takes one and a half to three hours, depending on the vessel and sea conditions. From Sikakor, a smaller boat continues to Siantar or another island village. Schedule changes are common when winds rise, so carry cash, keep valuables secured and leave a few days of flexibility in the island section. Ask locally about currents before swimming, use a reef-conscious operator for surf trips and avoid entering villages, gardens or sacred places without permission. Paying homestays directly and carrying out your rubbish helps keep the visit useful to the communities hosting it.

Budgeting and preparing for Sumatra

A practical backpacker budget is roughly IDR 550,000–800,000, or about A$50–75, per day, depending on the exchange rate. That usually covers a simple room, two or three local meals, shared transport and a modest activity, but it excludes the Mentawai boat, guided treks and domestic flights. Budget A$700–1,050 for two weeks on the ground, then add the international fare, usually the largest line in the plan.

Pack light enough for a 35–45 litre bag: lightweight clothes, a rain shell, quick-dry towel, modest scarf or sarong, sandals, sturdy trainers, dry bag, power bank and refillable bottle. Add a mosquito net, oral rehydration salts and leech socks for the forest. Australians already drive on the left like Indonesia, but a scooter also requires the correct licence, helmet and an International Driving Permit where authorities request it; familiarity with the road side is no substitute for paperwork.

November to March brings the heaviest rains in many parts of Sumatra, while the Mentawai sea can be rough even outside the main wet season. Choose travel insurance that covers trekking, scooter use, medical evacuation and cancellations, and check current dengue and leptospirosis advice on Smartraveller. A local Telkomsel SIM or tourist eSIM usually gives better rural coverage than an Australian roaming plan, but download maps before leaving towns. Keep a final buffer night in Padang before the domestic flight to Jakarta and the international connection home.