Walpole-Nornalup National Park - Walpole-Nornalup National Park occupies a unique high-rainfall corner of Western Australia. It contains nearly 20,000 hectares of diverse vegetation and landforms, from towering karri and tingle forests to coastal heath and wetlands.

Walyunga National Park - Walyunga National Park lies in the Darling Range, just behind the Darling Scarp, and covers both sides of a steep valley. Just to the east of the park, in the picturesque Avon Valley, the Avon River joins the Brockman River to form the Swan River.

Warren National Park - Some of the best accessible virgin Karri forest, and the biggest (89m) of the Karri trees, can be found here.

Watheroo National Park - Situated 50km north of Moora the park is accessible from all directions by good gravel roads.

Waychinicup National Park - As well as boasting unspoilt coastal scenery, Waychinicup National Park, near Albany, is a vital areas for threatened animal species. In places, deeply incised gullies run down to the sea from bare rock exposures and boulder-strewn hilltops.

Wellington National Park - If you enjoy spending your summer days lazing by flowing rivers, relaxing on balmy summer evenings or recreating beside the tranquil waters of a lake or river, then Wellington National Park is for you.

William Bay National Park - About 14km west of Denmark on South Coast Highway, turn left and proceed about 4km then turn right to the parking area.

The Windjana Gorge National Park - The Windjana Gorge National Park,, covering an area of 2,134ha, consists of a 3.5km long gorge formed by the Lennard River, which snakes its way through an ancient limestone reef, approximately 350 million years old.

Wolfe Creek Meteorite Crater National Park - 130km south of Halls Creek on the Tanami Road, is Wollfe Creek Meteorite Crater National Park, covering an area of 1 460 ha.