Eastern parts of the national park are interspersed with numerous channels of the Thomson River.

This area forms important habitats for numerous species.

Several lagoons and waterholes within the park provide important refuges for birds and other wildlife.

[1] The diverse climate of Lochern was a boon for the aboriginal people, who learned to utilize the dry and wet spells.

Minor showers can often lead to floods, irrespective of the time of year.