Explore Chubu
Diving in the Chubu region offers a unique blend of freshwater and riverine diving experiences that stand out against the backdrop of Japan's diverse underwater landscapes. Nestled between the Izu and Kii Peninsulas, Chubu is primarily known for its mountainous terrain. However, it surprises many with its distinct and thrilling dive spots like Lake Motosu and the Nagara River. Lake Motosu, Japan’s most popular freshwater diving destination, showcases intriguing underwater landscapes sculpted by ancient lava flows, providing a surreal experience for divers looking to explore something beyond the typical reef dives.
In the Nagara River, divers can encounter the rare and exhilarating experience of drift diving. The river is home to a vibrant array of aquatic life, including yellow-spotted band fish, black bass, small catfish, turtles, and shrimp. The star attraction, however, is the Japanese giant salamander, the world’s largest amphibian, which makes for an unforgettable sight. These dive sites offer a refreshing perspective for those accustomed to oceanic dives, allowing divers to explore the unique freshwater ecosystems and riverine environments that Chubu has to offer.
Dive Activity
Diving in Chubu
The Chubu region of Japan offers a captivating range of dive sites that attract enthusiasts from around the globe. Notable for its stunning wreck dives, the area is home to several submerged relics that tell tales of the past. Among them, the sunken ships of Mikawa Bay serve as an intriguing underwater museum, perfect for history buffs and adventurous spirits alike.
For those preferring the convenience of shore dives, the Izu Peninsula presents numerous accessible spots with vibrant marine life. Its crystal-clear waters are ideal for witnessing unique behaviors such as spawning events. Night diving is also popular, allowing divers to observe nocturnal creatures in action. While Chubu offers ample shore diving opportunities, liveaboard options provide a balanced experience, catering to those seeking to explore more remote sites with ease and comfort.
Top Wildlife Sightings in Chubu
Chubu, a region in central Japan, offers divers a rich variety of marine life, including vibrant reef fish and seasonal visitors. Commonly encountered reef fish include clownfish, butterflyfish, and angelfish, which thrive in the coral gardens of the Izu Peninsula and the Noto Peninsula. These species are typically seen year-round, providing a colorful backdrop for underwater adventures. Seasonal highlights in Chubu's waters include the sightings of majestic hammerhead sharks around Mikomoto Island during the late summer months. Green sea turtles are often spotted near the rocky reefs from June to August, while graceful manta rays can occasionally be seen gliding through the waters around the Tokai region in the summer. Divers visiting these areas during peak seasons have a higher chance of encountering these remarkable species, making Chubu a desirable destination for marine enthusiasts.
Wildlife Sightings are Based on User Generated Content
The image shown is a representative illustration and does not depict every individual animal in this category.
Total number of species approx.: 200
Alamy-WaterFrame
849 Sightings
J
17
F
16
M
70
A
48
M
66
J
44
J
107
A
179
S
125
O
83
N
42
D
52
The image shown is a representative illustration and does not depict every individual animal in this category.
Total number of species approx.: 600
iStock/ultramarinfoto
Wrasse
577 Sightings
J
11
F
11
M
36
A
31
M
21
J
10
J
157
A
118
S
71
O
54
N
24
D
33
Alamy-Christian Zappel
Scalloped Hammerhead
305 Sightings
J
0
F
0
M
2
A
0
M
2
J
35
J
99
A
64
S
60
O
37
N
6
D
0
Shutterstock-Shane Myers Photography
Green Turtle
254 Sightings
J
0
F
12
M
4
A
0
M
9
J
28
J
57
A
66
S
35
O
35
N
0
D
8
AdobeStock/G Russel Childress
Great Hammerhead Shark
63 Sightings
J
0
F
0
M
0
A
1
M
2
J
3
J
29
A
13
S
13
O
2
N
0
D
0
The image shown is a representative illustration and does not depict every individual animal in this category.
Total number of species approx.: 300
Alamy/Reinhard Dirscherl
Octopus
51 Sightings
J
5
F
0
M
0
A
0
M
4
J
0
J
15
A
16
S
3
O
0
N
0
D
8
The image shown is a representative illustration and does not depict every individual animal in this category.
Total number of species approx.: 350
Alamy-Andre Seal
Damselfish
883 Sightings
J
37
F
14
M
34
A
34
M
35
J
34
J
175
A
153
S
115
O
107
N
77
D
68
The image shown is a representative illustration and does not depict every individual animal in this category.
Total number of species approx.: 250
Shutterstock-Henry_and_Laura_Whittaker
Grouper/Basslets
472 Sightings
J
13
F
13
M
34
A
11
M
29
J
19
J
77
A
95
S
57
O
64
N
27
D
33
The image shown is a representative illustration and does not depict every individual animal in this category.
Total number of species approx.: 100
iStock-burnsboxco
Parrotfish
387 Sightings
J
9
F
6
M
27
A
32
M
15
J
19
J
50
A
66
S
49
O
52
N
30
D
32
The image shown is a representative illustration and does not depict every individual animal in this category.
Total number of species approx.: 130
AdobeStock-JirinaVFR
Pufferfish
378 Sightings
J
11
F
13
M
28
A
18
M
40
J
16
J
47
A
56
S
46
O
35
N
22
D
46
The best Months to dive in Chubu
Chubu, Japan, offers diverse diving conditions year-round, with seasonal variations influencing the experience. Water temperatures range from 10°C/50°F in winter to 27°C/81°F in summer, impacting both marine life and diver comfort. Visibility typically spans 10 to 30 meters/33 to 98 feet, generally improving in winter due to reduced plankton activity.
Diving is possible throughout the year, though spring and fall are particularly favorable, offering mild temperatures and calm seas. Summer may bring typhoons, causing strong winds and currents, while winter's colder waters and rougher seas can deter some divers. Planning around these factors ensures a rewarding diving experience in Chubu.
