Four hours inland from Perth, in farming country about as far from surf as you can get, a 15-metre-high granite swell curves out of the ground like a wave frozen mid-break. This is Wave Rock at Hyden — roughly 110 metres long, striped in bands of grey, orange and red, and part of a granite formation thought to be more than 2.7 billion years old. Wind and water erosion, not the ocean, did the sculpting.

You can do more than photograph it from below. A walking route takes you along the base and up onto the rock itself, and from the top the formation shrinks into perspective against the vast, flat Wheatbelt stretching to the horizon. Early morning and late afternoon are the best times for photographers, when low sun brings out the contours and colours; sunset, in particular, is when the rock takes on an almost otherworldly glow.

Hyden rewards travellers who linger rather than dash through. A 20-minute walk leads to Hippo's Yawn, a granite formation shaped like a hippo gaping open, which you can walk through. About 18km north, Mulka's Cave holds more than 450 ancient Aboriginal hand stencils and paintings, tied to the legend of Mulka — a reminder this is a living cultural landscape, so treat it with respect and follow local guidance on access and photography.

Timing can transform the trip. In spring, the Wheatbelt bursts into wildflower colour — purple dampiera, orange grevilleas, yellow cassia — which makes a striking contrast against ancient stone, in a state that claims the world's largest collection of wildflowers. Quirky extras include The Lace Place, with handmade lace dating to the 1600s and an off-cut linked to Princess Diana's wedding veil, plus a wildlife park with koalas and white kangaroos, a pioneer museum and scenic flights over the formation.

The drive itself is half the point: Perth's suburbs gradually give way to wheat fields and open country before the wave appears, seemingly out of nowhere. Check road, weather and park alerts before setting out, and if you want to stay, Wave Rock Caravan Park camps and cabins sit close to the attraction.

For anyone road-tripping Western Australia beyond the coast, Wave Rock is a reminder that the state's inland is just as strange and beautiful as its famous beaches — a place where geology, Aboriginal culture and wildflowers converge, and where you don't need an ocean to find a wave.