It is a well known and recognised landmark used by mariners and weather forecasters, and is also a scenic viewpoint, with an unobstructed view of the Atlantic Ocean and steep rocky cliffs.

Erris Head has been designated a Special Area of Conservation (SAC) under the European Union's Habitats Directive.

[3] This dry heath supports juniper, bearberry, crowberry and heather.

[3] Seabirds nest on the cliffs, with fulmars and great black-backed gulls being most numerous, and peregrine falcons and choughs also breed here.

Irish hares and common frogs occur on the headland, and grey seals can often be seen at the foot of the cliffs.