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Oze NP, Fukushima
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Among the small ponds scattered across Aizu-Komagatake’s summit wetland, Komano-oike is the largest. On clear days it reflects the peak, sky and clouds; Fukushima’s guide says stars can shimmer in its water after dark, too.
Pink Hakusan-kozakura primroses bloom behind the pond. In Hinoemata, locals call this alpine flower Nanjing-kozakura—literally “Nanjing little cherry”—a distinctive village name for one of the mountain’s summer blooms.
A small shrine beside the pond honors Komagatake Daimyojin. Fukushima’s prefectural account says the mountain deity was enshrined on Aizu-Komagatake in 816, making this flower-fringed stop part of a long tradition of mountain worship.
Komano-oike emerges near the summit after the snow melts, according to Japan’s Ministry of the Environment. The ridge toward Chumon-dake also holds many smaller ponds, scattered through the high wetland like little mirrors.
The summit wetland became worn and bare as visitor numbers grew. Hinoemata began building boardwalks in the 1960s and restoring bare ground in 1993; later work even replaced the boardwalk beside Komano-oike.
The pond’s labels vary: current government guides call it 駒ノ大池, while a photographed older trail map calls the same spot 池ノ平大池. Other sources shorten the name to 駒ノ池 or 駒大池.
