Genshin Impact Sea of Bygone Eras (west map) Hydroculus locations

Sea of Bygone Eras is a new underwater location in Genshin Impact's Fontaine region where you can find up to 46 Hydroculus. 20 of these are on the west side of this fresh area and the remaining 26 are on the east. Most of them can be easily collected while exploring the map, but some are hidden in plain sight and can be easily missed.

This article will guide you to the locations of all 20 Hydroculus on the western map of Sea of Bygone Eras in Genshin Impact.

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All 20 Sea of Bygone Eras (west) Hydroculus location in Genshin Impact

Hydroculus #1

It is located under the waypoint (Image via HoYoverse)

This Hydroculus is under the first teleport waypoint you unlock in Genshin's Sea of Bygone Eras.

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Hydroculus #2

Location of the second Hydroculus (Image via HoYoverse)

Teleport to the southwest waypoint in Initium Iani and swim upwards in the southwest direction to find the second Hydroculus behind the rock.

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Hydroculus #3

There's one at the cave entrance (Image via HoYoverse)

You can find a Hydroculus at the entrance of the Caesareum Palace.

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Hydroculus #4

Near the Nameless Stone Statue (Image via HoYoverse)

You can find one Hydroculus near the Nameless Stone Statue in Caesareum Palace.

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Hydroculus #5

It is located above the rock pillar (Image via HoYoverse)

You can find another Hydroculus on the rock pillars in the middle of the Caesareum Palace cave in Genshin Impact.

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Hydroculus #6

Break the rock at the end of the cave (Image via HoYoverse)

Teleport to the southwest waypoint in Initium Iani and head south to find another cave entrance. At the end of it, you will find a rock. Break it and collect the Hydroculus.

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Hydroculus #7

At the top of a pillar (Image via HoYoverse)

Teleport to the waypoint in the middle of Initium Iani and head northwest to find a Hydroculus on top of a pillar.

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Hydroculus #8

Turn right from your previous location (Image via HoYoverse)

Swim upwards in the northern direction from your previous location to find a Hydroculus above a rock.

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Hydroculus #9

Hydroculus is inside the small opening in the rock (Image via HoYoverse)

Head northeast from your previous location to find the ninth Hydroculus in a small space in a rock.

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Hydroculus #10

Hydroculus is inside the bell (Image via HoYoverse)

You can find one Hydroculus inside a bell in the middle of the Portus Anticus cave in Genshin Impact.

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Hydroculus #11

There's one Hydroculus above the statue (Image via HoYoverse)

You can find another Hydroculus above a statue in Portus Anticus southwest of your previous location.

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Hydroculus #12

Go to the other entrance of Portus Anticus (Image via HoYoverse)

There's one Hydroculus near the other entrance to Portus Anticus in Genshin Impact.

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Hydroculus #13

This one is close to the waypoint (Image via HoYoverse)

Teleport to the northern waypoint in Initium Iani and turn slightly to your right to find a Hydroculus inside an opening in a rock.

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Hydroculus #14

The Hydroculus is behind the rock (Image via HoYoverse)

Teleport to Hortus Euergetis and swim north to find a Hydroculus hidden behind a rock.

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Hydrodulus #15

Hydroculus is hidden behind the rock pillar (Image via HoYoverse)

Teleport back to the waypoint in Hortus Euergetis and head west to find a Hydroculus hidden behind the giant pillar near the water portal.

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Hydroculus #16

This is south of your previous location (Image via HoYoverse)

From your previous location, swim upward in the southern direction to find a Hydroculus inside a rock.

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Hydroculus #17

Hydroculus is located pretty high (Image via HoYoverse)

Once you've collected the sixteenth Hydroculus, swim upwards and look north to find a Hydroculus above a couple of rocks.

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Hydroculus #18

This Hydroculus is easy to spot (Image via HoYoverse)

Teleport to the southwest waypoint in Initium Iani and head east to find a Hydroculus at the tip of a rock.

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Hydroculus #19

This one is located right above your previous location (Image via HoYoverse)

Swim upwards from your previous location to find a Hydroculus above the rock.

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Hydroculus #20

Hydroculus on a pink coral reef (Image via HoYoverse)

After collecting the nineteenth Hydroculus, swim downward in the eastern direction and look for pink coral reefs to find the last Hydroculus on the western map of Sea of Bygone Eras.

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Check out other articles related to Genshin Impact:

• Genshin Impact Sea of Bygone Eras Seelie locations
• Genshin Impact Nostoi Region Hydroculus locations
• Genshin Impact Nostoi Region and Sea of Bygone Eras teleport waypoint locations
• Genshin Impact Sea of Bygone Eras Luxurious Chest locations