It is on the Golden Highway in the Upper Hunter Region, about 250 kilometres (160 mi) north of Sydney.
The main rural industries in the region are wine grape growing, horse breeding and farming.
Denman is also near Mount Rombo, a hill that has an unusual geometric shape causing to look like it has a perfectly flat top if it is viewed from Mangoola Road, a road that branches off the Golden Highway About 20 kilometres (12 mi) north-west of Denman, in the Goulburn River National Park, is Mount Dangar, with an elevation of 670 metres (2,200 ft) AHD.
It was sighted in 1824 by surveyor Henry Dangar, who named it Mount Cupola (for its domed shape).
Mount Dangar is a good place for walks, offering exceptional views of the area.