Coast to Coast
Coast to Coast operates a daily service from Christchurch to Greymouth and Hokitika on the west coast of the South Island, crossing the Southern Alps and passing through Arthurs Pass National Park.

Backpackers Express
Backpacker Express operates a bus service from Queenstown and  Glenorch with the begining of the Routeburn, Rees and Greenstone Tracks on a daily services 7 days a week.

TrackNet Fiordland
TrackNet Fiordland operates bus services from Te Anau to Te Anau Downs, The Divide, Milford Sound and Queenstown with daily services 7 days a week.