The Loop Walk

Overview

A demanding 9 km (total) circuit through the Murchison River Gorge, The Loop starts and finishes at Nature’s Window and mixes cliff-top vistas with riverbank walking. Expect a true Class 4 experience: uneven rock, short scrambles, soft sand, and some exposure near drop‑offs. Most hikers take 3–5 hours; strong walkers moving steadily still feel the heat and terrain.

Route Snapshot

From the Nature’s Window car park, step through the famous sandstone “window” and follow markers along the rim with constant views of the Murchison River. The track then drops to the riverbank where you’ll negotiate rocky ledges, boulder hopping, and sandy stretches, before a final, punchy climb back to the Window. Signage encourages an anti‑clockwise circuit. There are informal spots to cool off in the river when conditions allow.

Geology, Flora and Wildlife

You’ll see thinly bedded, red‑and‑white banded sandstone showing ripple marks from ancient tidal flats. Some overhangs expose old worm burrows—fun details to spot as you go. Keep an eye out for kangaroos, rock wallabies, swans and parrots, and in wildflower season, colorful blooms including the Kalbarri spider orchid near the gorge rim.

Best Time to Hike

Go May–October for cooler temps and wildflowers. Inside the gorge it can feel much hotter than on the rim—summer temperatures have been recorded up to 50°C. From November through March (inclusive) the trail beyond Nature’s Window closes after 7:00 am due to heat. Start at first light year‑round to beat crowds at the Window and enjoy shade along the river section.

Logistics

Trailhead parking is at Nature’s Window car park (2WD access). Facilities include lookouts, picnic areas, toilets, car and coach parking, and accessible bays. Park entry fees apply. Pets and fires are not permitted; gas appliances are allowed. If you’re towing, unhitch in town or at the visitor centre’s designated bays rather than at the gorge precinct.

Safety and Prep

There is no drinking water in the park—carry at least 1 litre per person per hour (many hikers carry 3–4 litres). Wear a wide‑brim hat, sun protection, and sturdy footwear. Mobile coverage is limited; consider a PLB or satellite communicator and tell someone your plan. Stay well back from unstable cliff edges. Expect sections of soft sand and short hands‑and‑feet moves on rock. Flies can be relentless—face nets are worth their weight. The park undertakes 1080 baiting to control feral animals; another reason pets must stay home. Check current park alerts before you go.