After you have visited Castor Wilds for the first time head to Eastern Hills. Eenie is planting crops on the farm with his brother Meenie. Eenie is on the right. Fuse kinstones with him and the Goron will feel stronger and dig into Goron Cave.

Head to the very top-lfet of Mt. Crenel and then head down the ladder on the far left. There are two caves here, dig through the one on the left using your Mole Mitts. Clear all the ground with the Mitts and you will see a small circular symbol on the wall at the top. Fuse Kinstones with it and a Goron will appear in Goron's Cave.

Head back to the farm where Eenie and Meenie live. There is a cave at the top-left of the farm. Dig into it using the Mole Mitts. Dig through the cave to the far top-right corner and another symbol is on the wall. Fuse kinstones with it and another Goron will appear in Goron's Cave.

In a cave just south-west of Syrup's Hut in Minish Woods. Dig your way into the cave and all the way to the top-right corner. Careful of the Like-Like thats walking around. Fuse kinstones with the mysterious wall and another goron appears in Goron's Cave.

When you anter Tribly Highland from Mt. Crenel, head up the first bridge here and theres a cave right in front of you. Dig through and head right inside the cave. Dig to the far wall to find another symbol on the wall. Fuse with the mysterious wall and a Goron will appear in Goron's Cave.

In the northern most cave in Lake Hylia. You will need to jump from island to island using Roc's Cape to get to this one. Once you dig through the cave head left and take the first turn downwards. Dig your way through this leg of the cave until you eventually reach the wall with the symbol on it. Fuse Kinstones and the last Goron will appear in Goron's Cave.