water - it's the outback
Think Outback. Think water.
Less of a problem than you might think.
The early roads generally followed lines of waterholes. Pastoralists have sunk bores. Roadhouses are consistently spaced.
Water is usually around somewhere.
But sometimes it’s not. You have to carry it.
Jakub Postrzygacz on his Canning Stock Route adventure in 2005 filtered and carried a maximum of 39 litres (almost 9 gallons), enough for 5 days and 4 nights.
Man, that’s a lake.
For the slightly less adventurous there’s a 234km waterless stretch on the Tanami Track: 3 days and 2 nights. 26 litres each required.
9 litres each a day. If you head out into an arid landscape you have to take sufficient water.