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Warrah Trig cycling loop

Brisbane Water National Park

Affected by closures, check current alerts 

Current alerts in this area

Last reviewed: Wed 22 October 2025, 2.08pm

Applies from Tue 21 May 2024, 11.41am. Last reviewed: Wed 22 Oct 2025, 2.08pm.

Closed areas: Warrah Trig Road closed to vehicles

Warrah Trig Road is closed to vehicles due to an increase in illegal activities throughout the area.

The road will remain closed until investigations are completed and further recommendations are made.

The road is open to pedestrians and cyclists.

 

Penalties apply for non-compliance. For more information, contact the local NPWS office.

Nearby alerts

Applies from Thu 31 Jul 2025, 10.31pm to Sun 1 Feb 2026, 3.32am. Last reviewed: Fri 24 Oct 2025, 5.35pm

Other planned events: ‘1080 pest management operation’

NSW National Parks and Wildlife Service will be conducting a baiting program using manufactured baits, fresh baits and Canid Pest Ejectors (CPEs) containing 1080 poison (sodium fluroacetate) for the control of foxes. The program is continuous and ongoing between 1 August 2025 and 31 January 2026 in Ku-ring-gai Chase National Park. Don’t touch baits or ejector devices. Penalties apply for non-compliance.

All baiting locations are identifiable by signs.

Domestic pets are not permitted in NSW national parks and reserves. Pets and working dogs may be affected (1080 is lethal to cats and dogs). Pets and working dogs must be restrained or muzzled in the vicinity and must not enter the baiting location. In the event of accidental poisoning seek immediate veterinary assistance.

Fox baiting in these reserves is aimed at reducing their impact on threatened species.

For more information, contact the local park office on:

Forestville 9451 3479 or Lane Cove 8448 0400 (business hours)

NPWS after-hours call centre: 1300 056 294 (after hours)

Affects 1 park nearby. Show list

Applies from Mon 20 Oct 2025, 11.40am to Wed 31 Dec 2025, 6.00pm. Last reviewed: Mon 20 Oct 2025, 11.42am

Closed areas: Showground Trail closed

The Showground Trail in Ku-ring-gai Chase National Park is closed during work hours for essential trail works.

Please obey all closure signage and follow instructions from NPWS staff and contractors.

Penalties apply for non-compliance. For more information, contact the Sydney North area office on 02 9451 3479.

Affects 1 park nearby. Show list

Applies from Thu 25 Sep 2025, 12.35pm to Mon 17 Nov 2025, 12.38pm. Last reviewed: Fri 24 Oct 2025, 6.11pm

Other planned events: Notice of 1080 program - Bouddi National Park

NSW National Parks and Wildlife Service (NPWS) is conducting a ground baiting program in Bouddi National Park from Monday 29th September 2025 to Monday 20th October 2025.

The operation will use 1080 (sodium fluoroacetate) poison for the control of foxes. The program is being implemented to minimise predator impacts on wildlife, especially threatened species.

Signs will be placed at entry points to the baiting location. Domestic pets are not permitted in NSW National Parks managed lands. Pets, working dogs and assistance animals may be affected (1080 is lethal to cats and dogs). Pets and working dogs must be restrained or muzzled in the vicinity and must not enter the baiting location. In the event of accidental poisoning seek immediate veterinary assistance.

Please contact the NPWS Girrakool office on (02) 4320 4200 for more information.

Affects 1 park and 11 locations nearby. Show list

Applies from Mon 25 Aug 2025, 10.33am. Last reviewed: Mon 25 Aug 2025, 10.42am

Closed areas: Upper Gledhill Falls - access is unsafe

There is no safe location to park a vehicle on the side of McCarrs Creek Road to reach Upper Gledhills Falls. For your own safety, climbing and abseiling are prohibited here. Please visit Duckholes picnic area instead.

Affects 1 park and 1 location nearby. Show list

Applies from Mon 15 Sep 2025, 4.30pm to Wed 2 Sep 2026, 2.25pm. Last reviewed: Mon 27 Oct 2025, 9.27am

Closed parks: Muogamarra Nature Reserve closed

Muogamarra Nature Reserve is only open to the public for 6 weeks every year, around spring time.

Due to the sensitive nature of the reserve, access is restricted at other times to approved educational and research activities only.

For more information about the reserve, call the NPWS Contact Centre on 1300 072 757 or the NPWS North Western Sydney area office on 02 8448 0400.

Affects 1 park nearby. Show list

Applies from Fri 14 Feb 2025, 8.03am to Fri 30 Jan 2026, 8.05am. Last reviewed: Tue 4 Nov 2025, 8.54am

Closed parks: Spectacle Island Nature Reserve closed

Due to the sensitive nature of the reserve, access to Spectacle Island Nature Reserve is restricted to approved research and cultural activities only. Penalties apply for non-compliance. For more information, contact the local park office on (02) 8448 0400.

Affects 1 park nearby. Show list

Applies from Fri 14 Feb 2025, 8.09am to Fri 30 Jan 2026, 8.05am. Last reviewed: Tue 4 Nov 2025, 8.54am

Closed parks: Long Island Nature Reserve closed

Due to the sensitive nature of the reserve, access to Long Island Nature Reserve is restricted to approved research and cultural activities only. Penalties apply for non-compliance. For more information, contact the local park office on (02) 8448 0400.

Affects 1 park nearby. Show list

Applies from Fri 14 Feb 2025, 8.10am to Fri 30 Jan 2026, 8.05am. Last reviewed: Tue 4 Nov 2025, 8.54am

Closed parks: Lion Island Nature Reserve closed

Due to the sensitive nature of the reserve, access to Lion Island Nature Reserve is restricted to approved research activities only. Penalties apply for non-compliance. For more information, contact the local park office on (02) 8448 0400.

Affects 1 park nearby. Show list

Applies from Wed 1 Jan 2025, 8.49pm to Fri 30 Jan 2026, 8.50pm. Last reviewed: Mon 3 Nov 2025, 8.59am

Closed areas: Berowra walking track partial closure

Berowra walking track is partially closed from Apple Tree Bay to the Mt-Ku-ring-gai access track until further notice. There is a threat of rockfalls due to slope instability caused by recent weather events. NPWS is in the process of carrying out necessary repair works.

Berowra walking track from Berowra Station to Mt Ku-ring-gai remains open.

Penalties apply for non-compliance. For more information, contact the local NPWS office on 02 8448 0400 or call 1300 072 757 (13000 PARKS).

Affects 1 park and 1 location nearby. Show list

Applies from Tue 8 Apr 2025, 12.00pm to Tue 30 Jun 2026, 6.00pm. Last reviewed: Sun 17 Aug 2025, 10.46am

Closed areas: Partial closure Piles Creek Loop Walking Track

Part of Piles Creek Loop Walking Track will be closed until 30 June 2026 while rockfall investigations and mitigation works are undertaken.

The closed area is between the suspension bridge and Bundilla Lookout on the western side of Piles Creek.

Areas that will remain open are:

  • Piles Creek Loop Walking Track on the eastern side of Piles Creek 
  • Access to the Great North Walk from Girrakool Picnic Area 
  • Bundilla Lookout 

Barriers and signage are in place around the closed area.

Penalties apply for non-compliance. For more information, contact the local NPWS office on 02 4320 4200.

 

Affects 1 park and 2 locations nearby. Show list

Applies from Tue 21 May 2024, 11.41am. Last reviewed: Wed 22 Oct 2025, 2.08pm

Closed areas: Warrah Trig Road closed to vehicles

Warrah Trig Road is closed to vehicles due to an increase in illegal activities throughout the area.

The road will remain closed until investigations are completed and further recommendations are made.

The road is open to pedestrians and cyclists.

 

Penalties apply for non-compliance. For more information, contact the local NPWS office.

Affects 1 park and 5 locations nearby. Show list

Local alerts

For the latest updates on fires, closures and other alerts in this area, see https://www.nationalparks.nsw.gov.au/things-to-do/cycling-trails/warrah-trig-cycling-loop/local-alerts

Park info

  • in Brisbane Water National Park in the Sydney and surrounds region
  • Two picnic areas in this park – Girrakool picnic area and Somersby Falls picnic area – are closed in the evening. They are open 7am to 8pm during daylight savings and 7am to 6pm at other times.

    Other areas of Brisbane Water National Park will be open at all times, however may have to close at times due to poor weather or fire danger.

  • Park entry fees:

    $8 per vehicle per day. The park has pay machines that accept cards, or you can pay via the Park'nPay app.

    Other fees:

    You will need a permit to hold a wedding or undertake commercial photography within the park.

    Buy annual pass
See more visitor info

Emergency services

For all NSW fires visit the Rural Fire Service

For the latest information on wildfires in your area please contact the NSW Rural Fire Service.

View all alerts for NSW

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