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Australia

Thirlmere Lakes National Park

Routes
Hikes
Australia

Thirlmere Lakes National Park

The best walks and hikes in Thirlmere Lakes National Park

39

hikers

4

hikes

Hiking in Thirlmere Lakes National Park is characterized by its ancient freshwater lake system, a rare geological feature within the Sydney Basin. The park's terrain is generally flat, encompassing reed-fringed lakes and lush native Australian plant species. Located southwest of Sydney, it forms part of the Greater Blue Mountains Area, offering a tranquil setting for outdoor activities. The landscape features five distinct lakes, providing a unique ecosystem for exploration.

Best hiking trails in Thirlmere Lakes National Park

  • The most popular…

Last updated: June 25, 2026

8

hikers

#1.

Lake Gandangarra – Lake Werri Berri loop from Thirlmere Lakes National Park

5.77km

01:30

40m

40m

Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

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Easy

Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

Easy
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16

hikers

Hard hike. Good fitness required. Sure-footedness, sturdy shoes and alpine experience required.

Hard

Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

Easy

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Tips from the Community

Alex
March 3, 2026, Bargo River waterfall

The Bargo River is so dynamic along this track. Bushwalkers will find waterfalls, pools, and potholes all along the river. This waterfall is best flowing after rain, and not in the driest part of the year.

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Alex
March 3, 2026, The Potholes

Throughout Tahmoor Gorge, the Bargo River has carved "potholes" into the sandstone below. Pebbles and sand have swirled in eddies and currents over long periods of time, grinding and eroding circular bowls that can be seen when the water is clear and calm.

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Alex
March 3, 2026, Mermaid Pool

At the heart of the Tahmoor Gorge is the beautiful but potentially dangerous Mermaid Pool. Sandstone walls and a waterfall surround this deep swimming hole. Many cliff-jumping accidents and persistently strong currents create a strong warning not to jump from the cliffs or swing from the ropes. Aboriginal communities hold this body of water with spiritual importance.

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Frequently Asked Questions

What kind of hiking trails can I expect in Thirlmere Lakes National Park?

Thirlmere Lakes National Park offers a range of trails, primarily featuring flat, well-defined paths around its ancient freshwater lakes. Most routes are considered easy, making them accessible for various fitness levels. For example, the Lake Gandangarra – Lake Werri Berri loop provides a peaceful walk through the park's unique ecosystem. There are also more challenging options, such as the Mermaid Pools and Tahmoor Canyon loop, which ventures into more rugged terrain.

Are there any easy or beginner-friendly hikes in Thirlmere Lakes National Park?

Yes, the park is well-suited for beginners and those seeking an easy stroll. Many trails are relatively flat and well-maintained. The Lake Couridjah – Lake Werri Berri loop is a great example, offering a gentle path around two of the park's scenic lakes. These routes are perfect for enjoying the natural beauty without significant elevation changes.

What are the main natural features and attractions to see while hiking?

The park's main attractions are its five ancient freshwater lakes: Gandangarra, Werri-Berri, Couridjah, Baraba, and Nerrigorgang. These reed-fringed lakes are home to a distinctive ecosystem, including rare aquatic plants. You can also explore the historical Heritage Pump Station, a restored sandstone structure that offers a glimpse into the region's railway history. Birdwatching is also a popular activity, with over 140 species inhabiting the park.

Are there any circular walking routes in Thirlmere Lakes National Park?

Yes, many of the popular trails in Thirlmere Lakes National Park are circular, allowing you to start and end at the same point. The main Thirlmere Lakes walking track, which encompasses lakes like Gandangarra, Werri-Berri, and Couridjah, is a well-known loop. You can find specific examples like the Lake Gandangarra – Lake Werri Berri loop, which offers a complete circuit around these beautiful bodies of water.

Is Thirlmere Lakes National Park suitable for families with children?

Absolutely. The park's generally flat and well-defined trails make it an excellent choice for families. The easy loops around the lakes, such as the Mermaids Pool loop from Rockford Bridge, are manageable for children. Beyond hiking, families can enjoy picnicking and barbecues at the Werri Berri picnic area, and the abundant birdlife offers engaging opportunities for nature observation.

Can I bring my dog on the hiking trails in Thirlmere Lakes National Park?

No, dogs and other pets are not permitted in Thirlmere Lakes National Park. This is a protected area, and national park regulations prohibit pets to protect the native wildlife and delicate ecosystems. It's best to leave your furry friends at home when visiting this park.

What is the best time of year to go hiking in Thirlmere Lakes National Park?

Thirlmere Lakes National Park can be enjoyed year-round, but spring (September to November) is particularly vibrant. During this season, the native plant species, including colorful ground orchids, are in full bloom, adding extra beauty to the trails. Autumn (March to May) also offers pleasant hiking conditions with milder temperatures.

What are the parking options available for hikers?

Parking is available within Thirlmere Lakes National Park, typically near the main trailheads and picnic areas. The Werri Berri picnic area, for instance, offers facilities including free barbecues and parking, making it a convenient starting point for many walks around the lakes.

Are there any cafes, pubs, or accommodation options near Thirlmere Lakes National Park?

While there are no cafes, pubs, or accommodation directly within Thirlmere Lakes National Park, the nearby towns in the Wollondilly Shire offer various options. You'll find amenities and places to stay in surrounding areas, providing convenient access to the park for day trips or longer visits. For more information on local services, you can check the Visit Wollondilly website.

What should I pack for a hike in Thirlmere Lakes National Park?

For a comfortable hike, pack essentials like plenty of water, snacks, sun protection (hat, sunscreen), insect repellent, and sturdy walking shoes. Given the opportunities for birdwatching and photography, binoculars and a camera are also recommended. Always check the weather forecast before your visit and dress in layers.

How long does it take to complete the main Thirlmere Lakes walking track?

The primary Thirlmere Lakes walking track, which is approximately 6 kilometers (3.7 miles) and encircles three of the main lakes, typically takes a couple of hours of steady walking to complete. This duration can vary depending on your pace and how often you stop to enjoy the scenery or observe wildlife.

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