Larapinta Trail

The Larapinta Trail crosses the West MacDonnell Ranges from Alice Springs telegraph station to the summit of Mount Sonder 223km to the west. It is not a long route by thru-running standards, but the combination of desert environment, water scarcity, technical rocky terrain, and genuine remoteness makes it one of the most demanding trail runs in Australia on a per-kilometre basis.

The trail traverses the ancient quartzite ridgelines of the MacDonnells — ranges that were formed over a billion years ago and have been ground down to their current modest height of 600-1500m by geological time. The terrain is exposed: long ridgeline sections with no shade, steep rocky descents into creek gorges, and short flat sections through spinifex grassland that look easy on the map and are not. The quartzite is sharp and angular, and trail shoes with protection are not optional.

Water is the overriding tactical problem. The Northern Territory receives an average of 280mm of rain per year, most of it in the summer wet season. By May, the creek systems are dry. The trail has a series of water caches established at some sections, but these are not consistently reliable and cannot be planned around. The National Parks Authority publishes weekly water reports — read them before you go and update your cache plan. Some sections have 40-60km between reliable water sources. Carry 3-4 litres minimum and set strict turnaround rules.

The season is absolute. Running in the Northern Territory summer (October-March) means daytime temperatures above 40°C and overnight temperatures that don't drop below 25°C. Heat stroke risk in this temperature range while exerting is not theoretical — people die on this trail. The April-September window is non-negotiable.

The 12 sections of the trail are numbered and most walkers take 14-21 days. Trail runners consistently complete the full route in 6-10 days. The faster end requires strong navigational confidence, excellent logistics, and the ability to run 30-40km desert days in hot conditions.

Alice Springs has full services. Accommodation on the trail itself ranges from official campsites with facilities to ridge-top bivouac on the bare quartzite. The night sky over the central Australian desert — no light pollution, no moisture — is among the best in the world.