Warning of highly toxic blue green algae on lake in Snowdonia

August 30, 2021

Visitors to the Snowdonia National Park are being warned to be careful of a poisoness algae which has been discovered in the water of Llyn Tegid.

Llyn Tegid or Bala Lake as it often known, attracts many thousands of tourists. With sunny weather expected over the Bank Holiday weekend, many people will be heading to the lake to cool down with friends and family.

"Please avoid all contact with the blue-green algae which can be toxic to humans and animals" said a National Park spokesperson.

"If there is algae or scum on the water, or if the water is not crystal clear do not touch the algae or enter the water. There is high risk of skin rashes, eye irritation, vomiting, diarrhea, fever and muscular or joint pain.

"Blue-green algae can be extremely harmful to animals therefore do not let pets drink or enter the water."

Anyone who sees any algae on the water are asked to contact Llyn Tegid staff immediately on 01678 520626.