[3] A walking track connects Aquatic Point to the dam wall and Trevallyn State Recreation Area.

Most areas of the lake are open to boating and fishing with the exception of waters near the dam and penstock intake.

The blooms are due to high nutrient levels from sewerage treatment and fertilizers, limited water movement and warm temperatures.

[4] In 2009, scientists discovered the freshwater jellyfish, Craspedacusta sowerbyi, in the waters of Lake Trevallyn close to Blackstone Heights.

Believed to have been brought by migrating birds from China, the jellyfish were accidentally discovered during routine water testing.