Genshin Impact enthusiasts are currently immersed in exploring the newly released Fontaine region. While eagerly anticipating the upcoming 4.1 update, leaks about expanding the 4.2 map are starting to surface across the internet.
Specifically, the new area in patch 4.2 lies to the east of Fontaine, connecting to the northern part of Liyue. This fresh locale will come with a plethora of exploration activities, treasure troves, and challenges for players to experience.

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https://www.reddit.com/r/Genshin_Impact_Leaks/comments/16l014f/lumidouce_harbor_in_42_east_fontaine/?utm_source=embedv2&utm_medium=post_embed&utm_content=post_title&embed_host_url=https%3A%2F%2Fwww.sportskeeda.com%2Fesports%2Frumor-genshin-impact-4-2-leaks-hint-new-lumidouce-harbor-map
This information comes from StepLeaks, a well-known and reputable Genshin Impact news leaker within the player community. They have disclosed that the new area name in Fontaine for patch 4.2 is Lumidouce Harbor. ProjectENKA on X (formerly Twitter) has also leaked an aerial map of the Fontaine region with Lumidouce Harbor marked on it. You can follow the details below.
This harbor plays a significant role, serving as the connection point between the Fontaine region and Liyue. By following the route towards Liyue from the harbor, players are expected to be able to visit the expanded map of Liyue when it is released. What are your thoughts on this new area?