Okama Crater

蔵王御釜

Lakes & Ponds · Miyagi

Perched near the summit of Mount Zao on the border between Miyagi and Yamagata Prefectures, Okama is a dramatic volcanic crater lake celebrated for its vibrant emerald waters. Nicknamed the 'Five Color Pond', its hues change constantly depending on the sunlight and weather. Surrounded by rugged volcanic crater walls, it offers one of the most iconic alpine landscapes in the Tohoku region.

TikTok video of September 30, 2026