Skip to Content Skip to Navigation Show Trail Map Show About the Trail Show Important Trail Details Read Trail Reviews
Support Our Trails

Glen Brook Trail, John Forrest NP Glen Brook Trail, John Forrest NP

  • 1-3 hours
  • 4.5 km
    • Bush Walk Class 3

      Moderate trail that may have short steep hills, rough surface, many steps or some rock hopping. Directional signage. Some bushwalking experience and moderate fitness required.

The Glen Brook walking trails is a picturesque 4.5km, Class 3 trail with option for a shorter 2km loop. The trail is marked in an anti-clockwise direction following Glen Brook up to the dam and beyond where you will pass through scenic gullies and see impressive granite outcrops.

Glen Brook Trail J F N P D B C A
Earn 2 Points
Logo for Leave no Trace Initiative

Trails WA supports the seven principles recommended by Leave No Trace Australia for minimising your impacts when using the trails.

Learn more

Situated in the Darling Ranges, John Forrest is the oldest National Park in Western Australia and passes through varied vegetation types, including heathlands, open wandoo woodlands and mixed jarrah marri-wandoo forest.

The Glen Brook trail provides a number of different options for a range of park visitors. Several bridges and linking trails allow for shorter options close to the carpark. For the more adventurous, the full 4.5km loop trail provided visitors with opportunities to explore the southern section of the park including the headwaters of Glen Brook.

Keep a good lookout for marker post amongst the rocky out crops to ensure you keep to the marked trail.

Visit Mundaring

Discover the bushland beauty of Mundaring, nestled in the heart of the Perth Hills. This hiker and cyclist paradise boasts an array of trails that lead you through a tapestry of lush marri and jarrah forests, winter waterfalls, native wildlife and vibrant spring wildflowers. Embrace the challenge of the region’s renowned trails from the epic Bibbulmun Track and Munda Biddi Trail, to following the Golden Pipeline on the Kep Track, or delving into a time gone by along the Railway Reserves Heritage Trail.

Explore Mundaring
Visit Mundaring

Perth Hills Mundaring Visitor Centre

(08) 9290 6645

Other Links

  • Destination Perth

    Comprehensive information on the Perth region including destinations, things to see and do, accommodation and tours.

Expand your trip and enjoy great businesses nearby

Parkerville Tavern

Situated in the Perth Hills, on the doorstep of John Forrest National Park, The Parkerville Tavern is a great Western Australian favourite. Enjoy the ambience of Perth's best beer garden.

Photo of Parkerville Tavern

Be trail ready for Glen Brook Trail, John Forrest NP

Here is everything you need to know before visiting this trail.

Time / Duration

Up to 1.5 hours


4.5km loop

What To Pack

Group A - Urban Trails (Urban trails or short trails near facilities) required.

Trail Start

Picnic Area, John Forrest NP

Get directions

Trail End

Get directions

Bush Walk

Class 3

Moderate trail that may have short steep hills, rough surface, many steps or some rock hopping. Directional signage. Some bushwalking experience and moderate fitness required.

Visit Trail Tips for further information.


  • BBQ Facilities
  • Car Park
  • Lookouts
  • All accessible parking
  • Picnic Area
  • Public Toilet
  • Shaded Area
  • Sheltered Area
  • View Platform

Best time of year

August to October for wildflowers but beautiful all year round.


National Park Fees Apply

Trail Access


Prohibited Items

No pets

Edge shaped like mountain horizon
topography pattern

Complete Glen Brook Trail, John Forrest NP to earn badges and points!

Earn points and badges and become a "TrailsWA Expert" by completing trails and leaving reviews.

Earn 2 Points

Earn 2 points towards
your TrailsWA level

Edge shaped like mountain horizon
Alt text

2 trail goers have rated Glen Brook Trail, John Forrest NP as 3.5 out of 5!

We love to hear from people who've been on our Western Australian trails, so it would be most appreciated it if you wanted to leave a review.

Rebecca Reid

Reviewed 6 Jan 2023, 2:12pm

Great short walk through woodlands and grass trees, with kangaroos and many birds. This National Park is a close drive from Perth, with fantastic views over the city. A nice short escape!
Chelle Fisher

Reviewed 14 Sep 2022, 11:30am

A fantastic family friendly trail suitable for little ones and not too long. A great addition to a picnic and adventure.

Like this trail? Explore others nearby

More around Perth & Surrounds

Supported by great organisations

Trails are free and bring so many benefits to our community by providing opportunities to have fun, get fit, socialise, explore and challenge yourself. But they also have to be managed and maintained which only is made possible through terrific sponsors, donations and/or volunteering.

topography pattern