After researching more then a year how to access this peak without trespassing, finally the day arrived to summit "The Nipple".
Weather forecast was off as usual in Hawaii, so it was raining the whole 7h of our hike. Mostly whiteout conditions, and thanks to topo maps we could navigate without problems in the Northern Ko'olau Mountains. After the 1st 2.5 miles we had to mostly bushwhack through dense vegetation over some ridges up and down to be able to summit. We had a great crew for 1st time summit!