Fontaine Hot Spring guide for Genshin Impact. Includes how to unlock, map & location, exploration, Iron Viscount, hidden achievements, Elynas, Hydroculus, luxurious chest, tips, rewards, & more.
Table of Contents
Fontaine Hot Spring - How To Unlock & Location
No Prerequisite Quest Needed
The hot spring has several puzzles that you can solve in order to get a number of rewards.
Fontaine Hot Spring Location
Near Statue Of The Seven At Elynas
| Map | Location |
|---|---|
 |  |
The location of the hot spring can be accessed immediately when you set foot in Fontaine. This small body of water that can decrease your HP if you swim in it.
Involves Ground & Underwater Area
You start above water. After completing the puzzles on the ground, there is a ring that you can enter which transports you to an underwater location.
Fontaine Hot Spring - How To Solve & Tips
Above Ground Puzzles Step-By-Step Chart
| Procedure | |
|---|---|
| 1 | Explore the surroundings of the hot spring to find the water crystals |
| 2 |  Burn the thorns surrounding the water crystal then move it |
| 3 |  Defeat the crabs then move the water crystal |
| 4 |  Get the purple light then hit the storage box with yellow light then move the water crystal |
| 5 | Go to the middle of the hot spring |
| 6 |  Get the Hydrograna and stay beside the precious chest to get wet and make the Hydrograna grow Once the Hydrograna is activated, ensure to include the 3 water crystals within the range |
| 7 | Claim the precious chest then enter the ring to reach the underwater area |
Underwater Puzzles Walkthrough Chart
| Procedure | |
|---|---|
| 1 | Defeat all enemies in the area and find the Hydrogana near each burning pole |
| 2 |  There are 3 burning poles that you need to extinguish |
| 3 |  1st burning pole Destroy the crate then keep yourself wet then install  2nd burning pole Hit the Hydro amber then get the Hydrograna for installation  3rd burning pole Hit the barrel and get the 3 Hydrograna for installation |
| 4 | Activate the Hydro monument |
| 5 |  Get past the Iron Viscount and follow the water current |
| 6 |  Enter the ring to get transported back to the hot spring |
Fontaine Hot Spring - Tips
Obtain Hydroculus
You can get Hydroculus as you proceed in the areas involved.
Hydroculus Location & MapIron Viscount Location
The underwater area is where you can find Iron Viscount, one of the local legends.
How To Defeat Iron Viscount?Fontaine Hot Spring - Rewards & Achievements
Luxurious Chest
As you complete the puzzles, you can get several chests including a luxurious chest.
Unlock Hidden Achievements
Waterworld Future Achievement
You will be able to get this Waterworld Future achievement once you dive into the water for the first time.
Twenty Thousand Leagues Under the Sea Achievement
Unlock this achievement by swimming through the wave currents for the first time, at the underwater area.
Core Cooling Achievement
Get this Core Cooking achievement once you have cooled down the Hot Spring in the Elysan area.
Iron Viscount Achievement
Defeat the Iron Viscount for the first time to unlock this Iron Viscount achievement.
