

Best for beginner divers, 1-30m, shore entry, mild current.
Lake Motosu is a high-altitude freshwater site located at 900 metres elevation at the foot of Mt. Fuji. Divers and snorkellers experience depths ranging from 1 to 30 metres with mild currents. The site features both natural reef structures and artificial reefs. Water temperatures remain cold year-round, typically around 16-17°C in October, making dry suits necessary even during summer months. Entry is via the shore. The environment supports various temperate freshwater fish and invertebrates. Hazards include cold water, significant depth, potential entanglement, and low visibility. The site is suitable for beginners and offers night diving opportunities, with typical dives lasting 30 minutes.
35.46584, 138.58635
the lake is the model for the upside-down Fuji image on the 1,000-yen bill
By car: 30 minutes from Kawaguchiko IC on the Chuo Expressway. By train & bus: JR Chuo Line to Otsuki Station, transfer to Fujikyuko Line to Kawaguchiko Station, then Fujikyu bus to Lake Motosu.
Recorded at this site
Depth
Up to 30m
Skill Level
Beginner
Entry
Shore
Current
Mild
Typical Dive
30 min
Best Time
Jun, Jul, Aug, Sep, Oct, Nov
The lake environment supports various temperate freshwater fish and invertebrates typical of this habitat.
Yes, the site is suitable for beginners, though divers should be prepared for cold water and deep conditions.
The depth at this site ranges from 1 to 30 metres.
Access to the water is via the shore.
Yes, Lake Motosu is open to both diving and snorkelling activities.
Divers should be aware of cold water, deep sections, potential entanglement, and low visibility.
Diving at Lake Motosu in Kawaguchiko requires the following certifications: Deep. Always dive within your training limits.
Yes, equipment rental is available at or near Lake Motosu in Kawaguchiko. Contact local dive operators for specific gear availability and prices.
The best months to visit Lake Motosu in Kawaguchiko are June, July, August, September, October, and November. Conditions outside these months can still be good but are less predictable.
Lake Motosu in Kawaguchiko typically has mild currents that most divers can handle comfortably.