Adding to this: assuming if back of house and nearby area is also gonna get cleared, the land can easily become around 5.79 acres (or around
252,161.98 Square Feet if you want to get more technical).
View attachment 29239
And for the sake of thinking, if it was for Potter--while you couldn't get Hagrid's in the direct sense of the same layout, you can get a pretty similar coaster in scale.