Waterville lies on its western bank, close to the Atlantic Ocean, it empties into Ballinskelligs Bay.

The numerous townlands which lie on its southern bank, including Cappamore, Eightercua and Gortnamackanee, are collectively known as Glenmore.

[4] The lough is famous for its salmon and Sea trout fly fishing, having a good run of both spring salmon and grilse in addition to regularly producing specimen sea trout with some running to over 10 lb.

(4.5 kg) From June the lake contains a prolific number of smaller sea trout, know locally as 'Juners', analogous to the Scottish Finnock.

The Lough was designated catch and release via a by law in 2019 in an effort to conserve stocks.