West MacDonnell is a national park in the Northern Territory (Australia) due west of Alice Springs and 1234 km south of Darwin. It extends along the MacDonnell Ranges west of Alice Springs.The popular extended walk, the Larapinta Trail, runs east-west along the linear park, following the West MacDonnell Ranges. The park includes many tourist attractions along its 250 kilometre length including Ormiston Pound, the Ellery Creek Bighole, Glen Helen, Simpsons Gap, Standley Chasm, Mount Sonder, Serpentine Gorge, the Ochre Pits and Redbank Gorge.