1. Area of state OF WA:
Mainland 2 526 786 square kilometres (km)
Islands 3089 square km
Total 2 529 875 square km (33 per cent of Australia)
Most northerly point : Cape Londonderry – Latitude 13° 44′ 36″; Longitude 126° 47′ 43″
Most southerly point : Torbay Head – Latitude 35° 08′ 10″; Longitude 117° 38′ 13″
Most westerly point : Steep Point – Latitude 26° 08′ 40″; Longitude 113° 09′ 27″
Most easterly point : Western Australian border – Longitude 129°
Most northerly town : Wyndham
Latitude 15° 29′ 16″; Longitude 128° 07′ 08″ – 3 216km by road and 2 205km by air from Perth
Most southerly town : Albany
Latitude 35° 01′ 07″; Longitude 117° 52′ 56″ – 409km by road and 389km by air from Perth
Most westerly town : Denham
Latitude 25° 55′ 41″; Longitude 113° 31′ 58″ – 834km by road and 708km by air from Perth
Most easterly town : Eucla
Latitude 31° 40′ 35″; Longitude 128° 52′ 54″ – 1 429km by road and 1 215km by air from Perth
Highest town in state : Tom Price – 750 metres above sea level
Most isolated town : Telfer
Oldest settlement : Albany 1826 located 409 kilometres from Perth, on the southern coast
Oldest inland settlement : York 1830 being situated approximately 97 kilometres by road east of Perth in the Avon Valley
Highest building: in the state is the transmitter hut on Mount Nameless, near Tom Price – 1 126 metres above sea level
Tallest building or tower: Tower Zero at Exmouth – 387 metres tall.
3. Largest lakes, tallest mountains etc
Largest: Dirk Hartog Island, 613 square km
2nd largest: Barrow Island, 222 square km.
There are approximately 3747 islands off the coast of Western Australia.
Largest: Lake Mackay, 3494 square km ( on WA/NT border, 80 per cent in WA)
2nd Largest: Lake Barlee, 1980 square km.
Longest: Gascoyne River, 865km
2nd longest: Murchison River, 820km
Longest in Kimberley: Fitzroy/Hann, 733km
Longest in South West: Swan/Avon, 365km.
Highest: Mount Meharry, 1253 metres (Hamersley Range – the 20 highest peaks in WA are in the Hamersley Range)
Highest in Kimberley: Mount Wells, 983 metres
Highest in desert region: Mount Hinckley, 1013 metres
Highest in south west: Bluff Knoll, 1073 metres
Highest in Darling Range: Mount Saddleback, 593 metres.
Largest: Great Victoria Desert, 348 750 square km (WA/SA)
2nd largest: Great Sandy Desert, 267 250 square km
Tanami Desert, 184 500 square km (WA/NT)
Gibson Desert, 156 000 square km
Little Sandy Desert, 111 500 square km.
Highest: King George Falls, twin falls of approx 80 metres
2nd highest: Mitchell Falls – three tiered falls approx 60-80 metre drop.
The cliffs of the Great Australian Bight, Wylie Scarp, Baxter Cliffs, Hampton Tableland and Bunda Cliffs (in South Australia) are the longest in Australia – 790km (205km in SA).
Pannikin Plain Cave on the Nullarbor Plain is one of the world’s deepest and longest underwater caves.
The Central Park building at 261.7 metres (51 floors) is Perth’s tallest.
The length of the WA border with NT and SA is 1862km.
The location of the Zero kilometre peg
The zero kilometre peg for Western Australia is a plaque on the wall of the Central Government Building (originally the General Post Office) at the corner of Cathedral Avenue and St Georges Terrace.
Longest feature name
Murrawong Gnulling Gnulling Pool (25 letters), on Yalgamine Creek, a small tributary of the Murchison River.
The longest name near Perth is Ngangaguringguring Hill (18 letters).
Most common feature names
The top 10 most common feature names in Western Australia:
Number 1 Well 71
White Well 68
6 Mile Well 46
Red Hill 34
Sandy Creek 16
Gum Creek 11
Round Hill 11
Bald Hill 11
Black Rock 11
Rocky Pool 10
Long Pool 7