Sunset - Berowra Valley national park (4) © By [CC BY-SA 4.0 ], from Wikimedia Commons

Sunset - Berowra Valley national park (2) © By [CC BY-SA 4.0 ], from Wikimedia Commons

A grassy field leading to Lyrebird Gully - panoramio © By [CC BY-SA 4.0 ], from Wikimedia Commons

A kookaburra in a mossy tree - panoramio © By [CC BY-SA 4.0 ], from Wikimedia Commons

A cave along Lyrebird Gully - panoramio © By [CC BY-SA 4.0 ], from Wikimedia Commons

Berowra Waters Berowra Creek NSW © By [CC BY-SA 4.0 ], from Wikimedia Commons

A cave along the bank of Lyrebird Gully - panoramio © By [CC BY-SA 4.0 ], from Wikimedia Commons

Sunset - Berowra Valley national park © By [CC BY-SA 4.0 ], from Wikimedia Commons

Sunset - Berowra Valley national park (3) © By [CC BY-SA 4.0 ], from Wikimedia Commons

A short boardwalk crossing the start of Lyrebird Gully - panoramio © By [CC BY-SA 4.0 ], from Wikimedia Commons

A cave along Lyrebird Gully - panoramio (2) © By [CC BY-SA 4.0 ], from Wikimedia Commons

Sunset - Berowra Valley Lookout (2) © By [CC BY-SA 4.0 ], from Wikimedia Commons

Sunset - Berowra Valley Lookout (5) © By [CC BY-SA 4.0 ], from Wikimedia Commons

Sunset - Berowra Valley national park (5) © By [CC BY-SA 4.0 ], from Wikimedia Commons

A fence guarding a steep drop in Lyrebird Gully - panoramio © By [CC BY-SA 4.0 ], from Wikimedia Commons

A cave along Lyrebird Gully - panoramio (1) © By [CC BY-SA 4.0 ], from Wikimedia Commons

A lyrebird at Lyrebird Gully - panoramio © By [CC BY-SA 4.0 ], from Wikimedia Commons

Berowra Creek, Berowra Valley National Park © By [CC BY-SA 4.0 ], from Wikimedia Commons