Kings Canyon
"The first twenty minutes are called Heart Attack Hill for a reason nobody bothers to soften."
A 300-metre sandstone gorge in Watarrka National Park where the Rim Walk delivers the Red Centre's most dramatic three hours on foot.
Nobody warns you properly about the climb at the start. The Rim Walk at Kings Canyon opens with a set of stone steps that gains 100 metres in about fifteen minutes, and by the third switchback I had stopped talking to the couple I’d been chatting with at the car park and started doing the specific silent breathing of a person who skipped the gym for three months. They call it Heart Attack Hill on the trail signage, which felt at the time like an admirably honest piece of branding. I made it up sweating and slightly offended, and then the canyon opened out in front of me and I forgot to be offended about anything.
The rim itself is a six-kilometre loop around a gorge that drops 100 metres straight down into a chasm carved through 440-million-year-old sandstone. What makes it strange rather than merely scenic is the domed rock formation partway around, nicknamed the Lost City — hundreds of beehive-shaped sandstone mounds packed together like a fossilised settlement, weathered into shape by wind and water over unthinkable spans of time. I walked through it slowly, running a hand along the warm rock, trying and failing to make the timescale feel real in any physical way.
About halfway around, a side path descends into the Garden of Eden — a permanent waterhole shaded by ancient cycads and drooping paperbarks, tucked into a fold of the canyon that the sun barely reaches. After ninety minutes of exposed rock and heat shimmer, the cool air coming off that pool felt almost theatrical, like walking into a different climate. I sat on a rock ledge with my boots off for twenty minutes and didn’t say a word to anyone. A few other walkers did the same. Nobody seemed to want to break whatever that place does to conversation.
This is Luritja land, and the canyon and its waterholes carry stories that the rangers touch on only briefly at the trailhead — enough to remind you this isn’t simply a geology lesson. The park sits roughly halfway between Alice Springs and Uluru along the Red Centre Way, which makes it an easy add rather than a detour, though people who treat it as a quick stop between the two usually regret rushing the walk.
When to go: Start the Rim Walk before 8 a.m. between May and September — after 9 a.m. the exposed sandstone gets dangerously hot and rangers close the trail in summer. The walk is not accessible for anyone with limited mobility; the alternative Kings Creek walk to the canyon floor is flat and takes about an hour.