Where is Robin’s favorite axe?

Sometime around Thursday 11th she will send you a letter asking you to find her favorite axe that she lost. You can find her axe south of Marnie’s Ranch in Cindersap Forest to the right of the sewer pipe. The reward is 250g.

Where can I find Robin axe in Stardew Valley?

Head south and veer east, following the edge of the cliff. The axe should be sitting right at the southeastern part of the forest, just east of where you can pick Spring Onions in the spring.