Scored by DiveConnect's site-physics model
Marine forecast via Copernicus Marine. Score is a rule-based guide from swell/wind vs. the site's exposure — always dive your own assessment.
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Haunted Mansion (ホーンテッドマンション) is a shore-entry freshwater site on Lake Motosu in Fujikawaguchiko, Yamanashi. Its centrepiece is a sunken tree more than 10 m long with spreading branches, on which tangled fishing line and algae hang like cobwebs; maximum depth 20 m, average around 5 m, suitable from beginner level. Large catfish are sometimes seen.
Durable tips from divers — access, hazards, marine life, facilities. For day-of conditions, use the report tool in the conditions card above.
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