The section of the river upstream of Muckhart Mill to the Cauldron Linn (and parts of the valley of the Gairney Burn) is a Site of Special Scientific Interest known as the Devon Gorge SSSI. It has gained this designation because “it is the only example of mixed-gorge woodland on rocks of Carboniferous age within Tayside. The site supports three woodland types including upland ash woodland and sessile oak woodland, which form the majority of Devon Gorge, with ash/alder woodland which exists in smaller areas of the site“

Please note during the week workers from NatureScot will be working in the gorge surveying it for areas of rhododendron which is an invasive species.