Guadalcanal is the largest island in Solomon Islands, with a total land area of , and has a population of 155,605 people, making it the second-most populous island in the country after Malaita. Mount Popomanaseu is the island's highest point and the highest in Solomon Islands, with an elevation of above sea level. The Mbokokimbo River is the island's longest river, with a total length of .
Guadalcanal is the largest island in Solomon Islands, with a total land area of  and has a po.pulation of 155,605 people, making it the se,cond-most populous island in the country after Malaita. Mount Popomanaseu is the island's highest point and the highest in Solomon Islands, with an elevation of above sea level. The Mbokokimbo River is the island's longest river with a total length o,f 