Llyn Fanod is an upland lake situated between Penuwch and Bontnewydd in Ceredigion. The lake extends for 4.5 ha and is a Site of Special Scientific Interest partly owned by the Wildlife Trust of South and West Wales. It is a mesotrophic lake located in the headwaters of the River Aeron, whose low nutrient waters are home to a number of locally rare water plants. Waterfowl and passing sea birds can be seen on the lake as can dragonflies in the summer. Recorded during RCAHMW aerial reconnaissance on 25th MAy 2010 (AP_2010_1750).