Aira Force is a waterfall in the English Lake District, in the civil parish of Matterdale and the county of Cumbria. The site of the waterfall is owned by the National Trust.

A series of pools and deep pots for a half mile above the well-known Aira Force waterfall. The water falls approximately 22 metres (72 ft) to a rocky pool, from where the beck continues through a shallow valley to the lake. It is a beautiful tranquil spot often used for skinny dipping!