Dr Nicola Cann, Sleep Psychologist & Regular Contributor

Sumatra is not an easy destination, and that is precisely its appeal. Indonesia’s largest island is vast, chaotic, and at times exhausting, but it offers something increasingly rare in modern travel: experiences that feel genuinely unfiltered. 

Roughly the size of Sweden, Sumatra is a land of dense tropical rainforest, active volcanoes, remote mountain valleys, and wildlife found almost nowhere else on Earth. Alongside Borneo, it is one of only two places where orangutans still live in the wild. It is also home to critically endangered Sumatran tigers, elephants, and rhinos, protected across eleven national parks.

Travel here requires patience, flexibility, and a willingness to let plans unravel. But if you can tolerate discomfort and uncertainty, Sumatra rewards you with a sense that you are not just passing through a place, but making friends with it.

Why Sumatra Feels So Different

Sitting along the Strait of Malacca, one of the world’s most significant maritime trade routes, Sumatra was for centuries a gateway between East and West. Traders from China, India, the Middle East, and Europe passed through its ports, bringing goods, religions, and ideas that shaped the foundations of Indonesian culture. Those influences remain visible today in architecture, food, language, and social customs.

The island’s cultural diversity is striking. In the far north live the Acehnese, known for their strong Islamic traditions. In the northern highlands are the Batak, predominantly Christian, with distinctive rituals, music, and architecture. West Sumatra is home to the Minangkabau, famous for their matrilineal society and dramatic horn-shaped houses. Further south are some of the last remaining forest-dwelling groups, while the Orang Laut, or sea people, traditionally lived aboard boats along the east coast.

Economically, Sumatra is vital to Indonesia. Over half of the country’s exports originate here, including oil, gas, coffee, rubber, palm oil, and hardwoods. Alongside this wealth exists visible inequality. Infrastructure can feel non-existent, corruption is openly acknowledged, and yet daily life functions with an efficiency that only makes sense once you stop expecting Western logic.

Despite the challenges, Sumatra may be the friendliest place I’ve ever visited. People are curious, warm, and genuinely welcoming. Help is offered freely, often by strangers who have nothing to gain. Hiring local guides is not just sensible, it’s essential. You’ll learn more, travel more smoothly, and contribute directly to local livelihoods.

Getting Around: Manage Your Expectations

Sumatra looks manageable on a map. It isn’t. Distances are vast, roads are chaotic, and travel times are unpredictable. Everything seems to take a full day to get to, except when it inexplicably doesn’t. 

Transport options include private cars, tourist minibuses, local buses, and domestic flights. Trains exist but are not connected nationally and are generally slower and less comfortable than buses. Outside major cities, transport is informal and negotiated in real time.

Be prepared to spend a significant portion of your trip in vehicles. This is not inefficient travel. It is simply the cost of accessing places that remain relatively untouched by tourism.

The Itinerary: Two Weeks in Sumatra

You could spend months in Sumatra and still feel rushed. This two-week itinerary doesn’t cover everything, but it offers a strong introduction to the island’s diversity, landscapes, and cultures.

Day 1: Arriving and leaving Medan

Most international travellers arrive via Medan. Unless you arrive late, there’s little reason to stay. It’s a busy Indonesian city with friendly people but few standout attractions. Even after long-haul flights, it’s worth continuing straight to Bukit Lawang, around three to four hours away.

Days 2–4: Jungle Trekking in Bukit Lawang

Bukit Lawang sits on the edge of Gunung Leuser National Park, a UNESCO World Heritage Site and one of the most important conservation areas in Southeast Asia. This was, without question, the highlight of the trip.

There are plenty of accommodation options in Bukit Lawang centre and along the river. The night before the trek I stayed at Orangutan Bungalows, slightly out of town and right on jungle edge. Monkeys casually played in the trees outside my balcony as I relaxed before starting the trek.

Trekking options range from short walks to multi-night expeditions. The differences between providers can seem subtle, but ethics matter. Choose a responsible operator that limits group size and prioritises animal welfare. I went with Bukit Lawang Jungle Trekking.

We trekked in a small group, swimming in waterfalls, learning about medicinal plants, and spotting multiple orangutans, often at astonishingly close range. Many are semi-wild ex-residents of the rehabilitation centre and are known individually to the guides.

Evenings were communal. We shared food and stories, played cards, drank beer with our guides, Roma and Agil, and even tried local clove cigarettes. Nights were spent in simple jungle huts, accompanied by the relentless noise of insects and animals and dramatic thunder storms. Sleep was minimal but that didn’t feel important.

Every trek ends with a gentle raft down the river on a convoy of large rubber tubes, an oddly serene return after days in the forest. You can wave at other trekkers as you glide down the river.

Day 5: Berastagi and Gunung Sibayak

From Bukit Lawang, it’s around four hours’ drive to Berastagi. Many travellers skip it, as it isn’t conventionally touristy. The main draw is Gunung Sibayak. 

Gunung Sibayak (2,200 metres) is an active stratovolcano a short drive from town. In classic Sumatra fashion, we solved logistics by stopping in a coffee shop, where the owner arranged for her brother to drive us to the trailhead.

 

The hike itself is straightforward and accessible. There’s a small entrance fee, and the 2–3 hour walk offers panoramic views and a close-up look at the steaming, sulphur-covered crater. It’s dramatic without being demanding.

After the hike, we continued directly to Lake Toba by private car.

Days 6: Travel to Samosir Island, Lake Toba

The drive to Lake Toba takes five to six hours and passes through villages, towns, and spectacular scenery. We caught our first glimpse of the lake at sunset, and my driver pulled over at his favourite viewpoint so we could take it in.

Lake Toba is Southeast Asia’s largest lake and the world’s largest volcanic lake. Parapat is the main departure point for ferries to Samosir Island. Many people stay at this resort town, but, keen to reach the island, I caught a ferry straight out.

Arriving late meant missing the last tourist ferry, so I took a local one – this meant there were no taxis waiting on the other side, but a helpful ticket seller found us a becak driver. Becaks are motorised sidecar taxis, often customised with flashing lights and loud music. Ours was Minions-themed, which felt surreal after a long day of travel.

Days 7 and 8: Samosir Island

Samosir Island sits at the centre of Lake Toba and is considered the ancestral home of the Toba Batak.

Rent a scooter and explore. Visit traditional villages, stone tombs, and ritual sites. Swim in the lake. Evenings are relaxed and social, with travellers and locals sharing beers by the water. After the jungle and long drives, Samosir feels restorative.

I spent my days riding around, being waved at by local children, and stopping at coffee houses with sweeping views. Tomok Village offers excellent examples of Batak architecture and a small museum, while Lumban Suhi-Suhi is one of the few remaining traditional weaving villages. Women work on wooden looms in front of their houses and are happy to demonstrate and explain their craft.

 

If you’re feeling brave, try tuak, a fermented palm wine central to Batak social life. It’s an acquired taste and often served in lapo tuak, communal drinking houses where music, cards, and conversation flow freely. If commitment feels risky, some tourist-area bars also serve it in smaller doses, and without the locals looking on to check you like it.

Day 8: Return to Medan and Fly to Padang

Given the distances involved, at least one full travel day was inevitable. From Samosir we ferried back to the mainland, drove to Medan, and flew to Padang.

Days 9–10: Bukittinggi and the Minangkabau Highlands

A two-hour drive north from Padang through the lush Anai Valley brings you to Bukittinggi, a hill town surrounded by volcanoes. At 930 metres, the cooler air is a relief.

The Minangkabau dominate this region, and their dramatic horned architecture is visible throughout the countryside. Bukittinggi itself is busy and friendly, with few tourists. Locals stare openly and often ask for photos.

In the evenings, the square near the clock tower fills with families buying street food and eating together.

The surrounding jungle is home to Rafflesia arnoldii, the world’s largest and most pungent flower. When we arrived, one was in bloom – a spectacle usually only lasting 3-7 days. We drove out to the jungle entrance and were led through the forest by the local guide – an elderly man who has cared for the plants for years and knows each one individually. He led us steadily through the forest, sharing knowledge about medicinal plants while we struggled to keep up.

Afterwards, we visited Umal Khairi’s House of Rafflesia Luwak Coffee house at the jungle entrance. Umal grows and roasts her own organic beans and even received a mention from Gordon Ramsay during his 2020 visit to Sumatra. At Umal’s House of Rafflesia, you can try kopi luwak (civet coffee) and hear about her work.

Days 11–13: Harau Valley

The drive from Bukittinggi to Harau Valley takes a couple of hours and is beautifully scenic. Limestone cliffs rise dramatically from rice fields, and the valley feels strikingly quiet.

 

Accommodation options are limited, and there are very few shops or restaurants. Make sure wherever you stay provides meals or at least scooters so you can get to cafes. My accommodation was basic, so I ended up negotiating with a local shop owner to borrow a scooter. Without it, I’d have missed some of the best viewpoints and would have been relying on snacks from the local shop for two days.

There’s little to do here, which is precisely the point. Harau Valley is calm, scenic, and a welcome pause before the journey home.

Days 14–15: Return to Padang and Fly to Jakarta

I returned to Bukittinggi for one night, then drove back to Padang and flew to Jakarta. By this point, I was tired, dusty, and quietly attached to Sumatra. 

Accommodation, Food, and Practicalities

Accommodation varies enormously. Air conditioning can double the price of a room, but you’ll still find places to stay for under $20 USD per night. 

Smoking is widespread, and “non-smoking room” is more aspiration than reality.  If this matters to you, be clear and persistent.

Food is consistently excellent. Tropical fruit is abundant, with avocados and pineapples like you’ve never tasted before. Coffee is everywhere and often outstanding. 

Unmarried couples may encounter restrictions in more conservative regions. Dress modestly, be respectful, and accept that you are a guest in someone else’s culture.

When to Visit

The best time to visit Sumatra is during the dry season, roughly May to September. This is the most reliable period for jungle trekking, volcano hikes, and long overland journeys.

The monsoon season, from November to March, brings heavier rain and higher humidity. While accommodation can be cheaper, mountain hiking becomes more difficult and sometimes unsafe.

Final Thoughts

Indonesia is one of the most diverse countries on Earth, with over 17,000 islands. Sumatra alone offers more complexity, challenge, and reward than many destinations manage in a lifetime.

It demands patience. It ignores schedules. It tests your expectations. But if you trust the process, Sumatra gives back something rare: the sense that travel can still surprise you.

You won’t see everything, and you don’t need to. It will still be one of the best trips you’ve ever taken.