Mountaineer Stamp

Mountaineer is a hard difficulty stamp in Club Penguin Rewritten. It could be obtained by climbing to the Mountain Top of the Toughest Mountain during the Mountain Expedition 2017, Penguin Games, and Mountain Expedition 2021. It could also be obtained by reaching the peak of the Tallest Mountain during the Festival of Lights 2020 and Festival of Lights 2021.

Trivia

 * It was originally not meant to be available during the Festival of Lights 2020. However, due to players' request, it was made available a few hours after the party started.