What is the highest peak in the mountains of new guinea?

The highest mountain on the entire island of New Guinea is Puncak Jaya (also known as Carstensz Pyramid), at 5,030m. This is in West Papua, the Indonesian part of New Guinea.
The highest mountain on the entire island of New Guinea is Puncak Jaya (also known as Carstensz Pyramid), at 5,030m. This is in West Papua, the Indonesian part of New Guinea.