Haʻamonga ʻa Maui

("The Burden of Maui") 
is a stone trilithon located in Tonga, in the north of the island of Tongatapu, near the village of Niutōua, in Heketā. It was built in the 13th century by King Tuʻitātui in honour of his two sons. 

The monument is sometimes called the Stonehenge of the Pacific.