The flag is green with a green cross. Background and the cross have the same colour which is expressed in sRGB: 0, 144, 0 (#x009000). The flag is 13 and 21 units in height and length, the cross arms 3 units. Horizontal parts is 5 : 3 : 13, vertical 5 : 3 : 5. Only fibonaccital has been used.
Minister of Art & Jump says concerning Ladonia official religion Stone Race:
You are only allowed using a Ladonian rock or boulder located in Ladonia in the first place. Nothing smaller than at least 1,5×1,5 meters.