Pothole Field
Pothole Field is a field full of bushes and holes located behind Richard's Villa on Koholint Island in Link's Awakening. When Link cut the bushes in Pothole field, some of them revealed holes. Link had to work his was around these holes to an Owl Statue that he dug in front of to obtain the Slime Key.
Link gained access to Pothole Field by going to Kanalet Castle and getting back Richard's Five Golden Leaves.