Nu'ulopa is about 50m high. It is also a small forested rocky outcrop with coconut palms (Cocos nucifera) and a conservation area for flying foxes. The surrounding sea is a conservation area for turtles.
Nu'ulopa sits between another two islands Apolima and Manono. The islands lie on an underwater ridge connecting the two main islands of Upolu and Savai'i.
Nu'ulopa is generally used as a cemetery for the high chiefs (matai) of Manono.