Indonesia flag

Sumatra (Lake Toba, Orangutans)

Jungle treks and volcanic lakes 🌋🦧

Sumatra is the definition of a tropical adventure. For families, the highlight is undoubtedly Bukit Lawang, a small village on the edge of the UNESCO-listed Gunung Leuser National Park. Here, guided jungle treks offer the chance to see Sumatran orangutans swinging in the trees. Unlike in Borneo where you view them from a boat, here you are on foot in the rainforest, often spotting Thomas Leaf Monkeys and gibbons as well. The trek usually ends with a fun, splashy ride down the river on a tube raft, which is often the favourite part of the day for kids.

From the humid jungle, the journey climbs to the cool highlands of Lake Toba. This colossal volcanic crater lake is so large it has an island, Samosir, in its centre that is the size of Singapore. Samosir is the heartland of the Batak Toba culture. Families can stay in traditional Batak houses with their distinctive curved roofs, swim in the refreshing freshwater of the lake, and rent scooters or bicycles to explore the sleepy villages. The pace of life here is wonderfully slow, making it a perfect place to decompress after the jungle trek.

Nearby, the town of Berastagi offers a chance to see active volcanoes like Mount Sibayak. A sunrise hike here is accessible for active children and rewards them with steaming vents and panoramic views. The markets in Berastagi are filled with colourful flowers and passion fruit, adding to the sensory experience.

Travel in Sumatra can be bumpy, with winding roads connecting these major sights. However, the combination of accessible wildlife, unique indigenous culture, and spectacular volcanic geography makes it a top choice for families who want an active, nature-focused holiday. It feels wilder than Java or Bali, offering a sense of true exploration.

Loading map...
Map of Indonesia

Click a region to explore

Temperature (°C)
Rainfall (mm)
Humidity

Activities & Best Times

Adventure & Nature Excellent

Hiking, wildlife, outdoor exploration, ecotourism

A world-class destination for unique wildlife encounters, offering some of the last opportunities to see wild orangutans in the UNESCO-listed Gunung Leuser rainforest. Peak months provide the driest conditions for jungle trekking, whereas the high rainfall in the off-season (Oct-Jan) makes trails muddy and wildlife spotting significantly more difficult.

Weather Score (0-100)
Peak Season
JFMAMJ JASOND
Educational & Exploratory Very Good

Learning experiences, scientific sites, historical education

Offers profound learning opportunities regarding the geology of the Toba supervolcano and primate conservation at Bukit Lawang. The drier peak season (Jun-Aug) is optimal for visiting research centers and geological sites, while the heavy monsoons in shoulder/off months can disrupt outdoor educational tours.

Weather Score (0-100)
Peak Season
JFMAMJ JASOND
City & Cultural Good

Urban tourism, museums, historical sites, architecture

Rich Batak heritage and distinctive architecture offer a highly authentic cultural experience far removed from commercialized tourism. Mid-year dry months are ideal for exploring traditional villages and ceremonies, while the extreme precipitation in months like November and December makes outdoor cultural exploration uncomfortable.

Weather Score (0-100)
Peak Season
JFMAMJ JASOND
Relaxation & Wellness Good

Spa retreats, wellness centers, peaceful getaways

Lake Toba's Samosir Island provides a serene, high-altitude volcanic environment ideal for peaceful retreats and traditional Batak wellness practices. The low-precipitation peak months ensure clear views and pleasant temperatures for outdoor relaxation, whereas high humidity and frequent downpours in the off-season detract from the tranquil atmosphere.

Weather Score (0-100)
Peak Season
JFMAMJ JASOND
Sports & Active Good

Sport tourism, fitness activities, active recreation

The region offers world-class jungle trekking and emerging active pursuits like kayaking within the massive Toba caldera. Conditions are optimal in the dry season for firm trails and calm waters, but the intense tropical rainfall in the off-season often leads to trail closures and unsafe trekking conditions.

Weather Score (0-100)
Peak Season
JFMAMJ JASOND
Beach & Sea Marginal

Beach resorts, marine activities: diving, snorkelling, kite surfing, wind surfing, sailing

While not a traditional ocean beach destination, Samosir Island offers unique freshwater 'beaches' with stunning volcanic backdrops. It is rated conservatively as it lacks the white-sand, world-class resort infrastructure experienced travelers find in coastal hotspots.

Weather Score (0-100)
Peak Season
JFMAMJ JASOND
Road Trips & Scenic Marginal

Scenic drives, countryside tours, route-based travel

The drive through North Sumatra offers spectacular volcanic scenery, but rugged road conditions and long travel times may challenge discerning travelers. Jun-Aug provide the best road safety and visibility; mountain roads can become difficult or impassable during heavy monsoon periods (Oct-Apr).

Weather Score (0-100)
Peak Season
JFMAMJ JASOND
Peak
Shoulder
Off

Getting Here (14 airports)

BKS

BKS

BTJ

BTJ

BUU

BUU

DJB

DJB

DTB

DTB

FLZ

FLZ

GNS

GNS

KNO

KNO

LLJ

LLJ

LSW

LSW

PDG

PDG

PKU

PKU

PLM

PLM

TKG

TKG

View full flight map for Indonesia →