One set of carvings is located near Larool Road[4] and depicts hunting scenes with kangaroos, human figures and footprints.

The laterite of Terrey Hills was used for early road-making and also has been used for rock wall coastal defence at Collaroy Beach.

A small struggle has been ongoing for years to better protect the laterite exposure at Tumbledown Dick from the announced effects of Mona Vale road widening plans.

The Warringah Shire Quarry or 'gravel pit' at Terrey Hills was an important place for the distribution of government relief work funding.

Under Köppen's scheme, the suburb has a borderline humid subtropical (Cfa) and oceanic climate (Cfb) with warm summers and cool winters.

In addition Terrey Hills has its own Rural Fire Brigade Station located in the car park adjacent to the Frank Beckman Reserve on Yulong Avenue.

Terrey Hills is the location of the NSW Government's Bureau of Meteorology Australia's weather radars for the Sydney Region.

Terrey Hills is home to six schools: There are also sporting facilities including two golf courses, two tennis centres with numerous courts available, and several BMX tracks where competitions and races are held.