Tidbinbilla Nature Reserve is a 54.5 square kilometres (21.0 sq mi) protected area, on the fringe of Namadgi National Park.

Nil Desperandum is a historic four-roomed residence alongside Hurdle Creek first occupied by Henry French Gillman.

Nil Desperandum has since been rebuilt in its original condition and design with the kitchen extension but not the enclosed side verandah that the two brothers John Douglas (Doug) & Cyril Leslie (Ned) both slept in.

Under his management the Cape Barren goose enclosure and conservation scheme was developed which has significantly contributed to the survival of the endangered species.

David oversaw the importation of Victorian koalas to the park, the establishment of kangaroo enclosures and the creation of the water fowl areas.

The ABC linked up with fellow broadcasters across the globe in a live natural history program, which was an idea from David's daughter, Fiona Kerr.

The Manager's Residence was also lost and there was damage to the Heritage listed Rock Valley and Nil Desperandum homesteads.

[3] Since 2011, Tidbinbilla has taken the charge of breeding of the critically endangered Northern Corroboree Frog, the Southern Brush-tailed Rock-wallaby and the Eastern Bettong on behalf of the ACT Government.

Ninety-nine percent of the park was burnt out in the Bendora bushfire of 18 January 2003, resulting in the loss of countless numbers of wildlife.

Of the captive animals, only one koala, six rock wallabies, five potoroos, four freckled ducks, and nine black swans survived the bushfire.

[5] The playground design is inspired by the Tidbinbilla Valley and blends into the surrounding environment in an effort to preserve the park's natural beauty.

[12] The walk takes visitors past early European settler sites and remains which date back to the late 1800s.

[14] Explore the history of the Flints Homestead and Sheedy's Home Site as the path slowly winds up the hillside and loops around the reserve.

[14] The Sanctuary Loop allows visitors at Tidbinbilla to be up close and personal with a range of native animals in their natural habitat.

[16] The 2.5 km loop is easy and flat walk with well signposted with information about the local history and the native flora and fauna.

[16] In the Sanctuary visitors will be able to get close to Brush-tailed Rock-wallabies, platypus, echidnas, birds, and other animals in their natural habitats.

After taking a short break at the picnic table here continue up the steep climb through rugged bushland to the Gibraltar Peak viewpoint.

As visitors ascend the boulders of the viewpoint they are able to take in 360-degree views of Tidbinbilla Nature Reserve, Canberra and Black Mountain Tower.