The Bullen Track is a moderately challenging 4.5-kilometre return trail, ideal for experienced walkers. Rated as Grade 3, the trail offers a diverse landscape, traversing both sides of the Cotter River before ascending the Bullen Range and then descending to Paddys River. Be aware that there is no bridge over Paddys River, so caution is necessary when crossing.
Following the ascent and descent, the track winds its way up to Cotter Cave. While the cave itself is closed to the public for safety and conservation reasons, you can still view it from the trailhead and learn about the area's history of mineral exploration in the Australian Capital Territory.
Grade 3 (Moderate) - Walks for Most Fitness Levels: Grade 3 on the
AWTGS represents moderate walking tracks. These are ideal for walkers with some fitness who are comfortable with some hills and uneven terrain. While suitable for most ages, some bushwalking experience is recommended to ensure a safe and enjoyable experience. Tracks may have short, steep hill sections, a rough surface, and many steps. The total distance of a Grade 3 walk can be up to 20 kilometers.
Total distance: 4767 m
Max elevation: 540 m
Min elevation: 474 m
Total climbing: 161 m
Total descent: -161 m
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Leave a trip plan
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Getting there
Getting to the trailhead: Cotter Recreation Area.
Cotter Bend is located off Cotter Road, 25 minutes’ drive west of Canberra’s city centre. Parking is available.
Need a rental car to get you to the hike? Find one here.
Accommodation nearby
Find accommodation close to the trailhead including hotels, cabins, and campgrounds. Use the interactive map to explore available options in nearby towns.
Nearby towns: Cotter, Hall, Kambah, Narrabundah, Paddys River, Stromlo, Tharwa, Tuggeranong, Uriarra Village, Weston Creek, Woden
About the region
The Cotter Recreation Area offers a range of activities for visitors to enjoy. At Cotter Bend, the confluence of the Cotter River and Paddys River creates a scenic location with a wide, sandy beach and a large pool. Paddys River, rising near Tharwa, contributes its cool, clean waters to the Cotter at this picturesque meeting point. Surrounding the Bend are grassy areas with ample shade, perfect for escaping the summer sun. Free electric barbecues and toilets are conveniently located nearby, but it's important to note that dogs are not permitted.
Moving further along Cotter Avenue, visitors will find a popular recreation area ideal for picnics, swimming, fishing, bushwalking, and relaxation. Short walking tracks lead to the Cotter Dam and River, while the adjacent Cotter Campground offers limited camping opportunities.
For those interested in learning more about Canberra's water history, the Cotter Dam Discovery Trail is a great option. This informative trail winds along the river and features a 16-metre wide viewing platform in the style of an amphitheatre, offering stunning views across the Cotter Dam wall.
Located around the corner from the dam, Casuarina Sands provides additional amenities for visitors. Here you'll find barbeque facilities, picnic tables, shaded areas, playground equipment, and easy access to swimming. Ample parking and disabled access ensure a comfortable and inclusive experience for all. Cotter Avenue is conveniently located just 23 kilometres from Canberra city centre.
Similar walks nearby
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3 Reviews on “The Bullen Track (4.5km)”
The Bullen Track is currently closed between the two river crossings.