That is where the supposed piano sinking took place. A few versions have Babe tossing the piano into the pond, but more likely that he and friends pushed it out onto the ice for a daytime party, and then left it there rather than try to push it pack up the hill to the cabin.
The location of the supposed piano sinking is where it happened. Some versions claim Babe tossed the piano into the pond, but more likely that he and his friends pushed it onto the ice for a party and then left it there rather than attempt to move it back up the hill to the cabin.