Ninety-two rivers and 965 mountains in Papua New Guinea.
Explanation:
There are at least ninety-two rivers in Papua New Guinea and Sepik River is the longest river which is also the third-largest river by volume whereas, there are 965 mountains in Papua New Guinea and among these mountains Mount Wilhelm is the highest point. Strickland, Sepik and Ramu Rivers are the biggest rivers among ninety two rivers that are located in Papua New Guinea and Mount Wilhelm, Mount Giluwe and Mount Gladstone are the biggest mountains in Papua New Guinea.
