Loch Esmeralda

Loch on Mars.

Loch Esmeralda is introduced in Dark Age as a prominent loch on Mars, serving as a key piece of planetary geography amid the escalating conflicts of the Red Rising Saga. Its appearance in the fifth book highlights strategic Martian landscapes that influence character movements and plot developments during the age of turmoil. As the series builds toward this installment, the loch embodies the harsh, resource-rich environment of Mars that continues to shape the saga's interstellar struggles.