A 5-Day Journey Through Mulu National Park & Miri
If you’re looking for an adventure that combines jaw-dropping nature with cultural immersion, Sarawak could just be the answer. Tucked away on the island of Borneo, Sarawak is home to ancient rainforests, world-famous caves, and a rich heritage that feels worlds apart from city life in Kuala Lumpur.
On my recent five-day trip, I explored Mulu National Park, a UNESCO World Heritage Site replete with biodiversity and dramatic caves, before heading to Miri, Sarawak’s resort city known for its oil history, vibrant markets, and proximity to Niah National Park, another UNESCO site inscribed in 2024. Together, they offer a perfect mix of eco-adventure and urban exploration.
If you’re planning your own trip, here’s my day-by-day itinerary that will help you experience the very best of Mulu and Miri.On my recent five-day trip, I explored Mulu National Park, a UNESCO World Heritage Site replete with biodiversity and dramatic caves, before heading to Miri, Sarawak’s resort city known for its oil history, vibrant markets, and proximity to Niah National Park, another UNESCO site inscribed in 2024. Together, they offer a perfect mix of eco-adventure and urban exploration.
If you’re planning your own trip, here’s my day-by-day itinerary that will help you experience the very best of Mulu and Miri.
Getting to Mulu & Miri from Kuala Lumpur
The only way to Mulu is by air – there are no roads through the rainforest, which makes arriving here feel even more special. From Kuala Lumpur, take the two-hour and a half flight to Miri Airport (MYY) using AirAsia or Malaysia Airlines. From there, hop on another 30-minute flight on MASwings to Mulu Airport (MZV).
Tip: There are no direct flights from KL to Mulu, so a layover in Miri is your best bet. Alternatively, you can route via Kuching or Kota Kinabalu, depending on flight schedules. Most accommodations in Mulu, including Mulu Marriott Resort & Spa, provide transfers from the airport.
Day 1: KL → Miri → Mulu – Bats, Caves & First Impressions
My day started bright and early with a morning flight from KL to Miri. Before continuing to Mulu, I squeezed in a quick stop for breakfast at Nancy Beef Noodle, a local favourite in Miri that instantly won me over with its rich broth and melt-in-your-mouth beef slices.
By early afternoon, I was on a short MASwings flight to Mulu. Upon arrival, I checked into the stunning Mulu Marriott Resort &Spa, where the rainforest literally envelopes the property. After lunch, it was time to get my hiking shoes on.
We headed into Mulu National Park for a three-kilometre plank walk to Deer Cave and Lang Cave. Deer Cave is jaw-droppingly massive and home to over three million wrinkle-lipped bats, while Lang Cave dazzles with intricate stalactites and stalagmites.
At dusk, the highlight of the walk finally arrived: the bat exodus. Watching millions of bats stream out in waves, painting swirls across the evening sky, is surreal. It feels like nature’s very own fireworks show.
Dinner back at the resort wrapped up the magical first day.
Day 2: Longboats, Clearwater Waters & Penan Encounters
After a hearty breakfast, we set off on an adventurous longboat ride along the Melinau River. Our first stop was Batu Bungan Penan Settlement, where I had the chance to meet members of the Penan tribe, one of Borneo’s last nomadic ethnic groups. Their handicrafts are beautiful, and buying directly from them supports their livelihood, so don’t forget to bring enough cash.
Next, we explored Wind Cave, with its cool, breezy chambers, followed by Clearwater Cave, the longest cave system in Asia. After all that walking, nothing felt better than taking a dip in the crystal clear, icy cold, and oh-so-refreshing Clearwater Spring.
We enjoyed a picnic lunch at the Summer Huts before heading back to the resort. The rest of the evening was free, which I happily spent exploring the resort’s lush surroundings and indulging in a relaxing dinner.
Day 3: Farewell Mulu, Hello Miri
After two incredible days in Mulu, it was time to fly back to Miri. We checked into the chic Mercure Miri City Centre before setting off on a city tour.
During the tour, my travelling companions and I stopped at Miri’s famous landmarks such as The Grand Old Lady at Canada Hill, which is Malaysia’s very first oil well dating back to 1910; the “Miri” big sign, also on top of Canada Hill; and Miri Waterfront for a seaside stroll.
Dinner was seafood galore at Yi Hah Hai, where the butter prawns are a must-try.
Day 4: UNESCO Treasures at Niah National Park
This was the day for history buffs and nature lovers. After breakfast, we set off for Niah National Park, about an hour from Miri. The park gained UNESCO status in 2024, and for good reason: it is home to archaeological sites that date back over 40,000 years.
The trek started with a three-kilometre boardwalk through the jungle to reach the Great Cave. Its sheer size took my breath away. From there, we continued to the Moon Cave and finally to the Painted Cave, where faint but haunting prehistoric wall paintings are still visible. Standing there, I felt an incredible connection to the people who once lived in these caves thousands of years ago.
On the way back, we stopped by an Iban Longhouse homestay for a late lunch. Sharing food with the locals and learning about their traditions made my day even more meaningful.
Day 5: Market Hopping, Kek Lapis & Farewell
On my last day, I dove into Miri’s culinary and market scene. Breakfast was at Tamu Muhibbah, where I tried local Sarawak noodles (highly recommended). The market itself buzzes with stalls selling everything from fresh seafood to exotic fruits.
We also visited Tamu Khas, where indigenous traders sell unique items, for example wild honey, traditional herbs, and handicrafts.
Before leaving, I just couldn’t miss Kek Lapis Siti Payung for a peek (and taste!) of Sarawak’s iconic layered cake. The cakes’ colours and patterns were so beautiful that I almost didn’t want to eat them at first… but of course, in the end I did.
Lunch was at Mumbu Restaurant in Marina Parkcity before heading to the airport for my flight home.
Travel Tips for Mulu & Miri
- Pack light: MASwings flights allow 20 kilograms of checked in luggage.
- Must-bring items: insect repellent, raincoat, torchlight, reusable water bottle, hiking shoes, and swimwear.
- Cash is king in rural areas like Mulu and Penan settlements.
- Be eco-conscious: stick to boardwalks, avoid single-use plastics, and support local communities.
A Journey Worth Taking
This trip to Mulu and Miri reminded me why Sarawak is such a gem for travellers – where else can you go from ancient caves to modern seafood feasts, from tribal settlements to heritage markets, all in a span of just a few days?
Whether you’re a nature enthusiast, history buff, or foodie, Sarawak has something to offer. And the best part? Every step of the journey supports eco-tourism and community livelihoods, making your adventure meaningful and memorable.
So, pack your bags, book those flights, and get ready to discover the wonders of Sarawak for yourself!
Gaya Travel team members extend our heartfelt gratitude to the Sarawak Tourism Board for making the writer’s trip to Mulu and Miri possible and smooth sailing.
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