Unfortunately, none can answer your question because you are not explaining what dungeon you need information on. Please be more precise
there are 8 floors
14 floors
THERE are 13 floors
MT.Thunder doesn't have many floors, it has about 10, then you get to meet Zapdos!
8 Floors.
17 floors 17 floors
it has many floors 1,000,001 to be exact!
62 floors
9 floors and 3 floors at the peak
20 floors for the cave dungeon10 floors lower cave 14 floors
50 floors.
50 floors.
10 floors
50 floors
30 floors
20 floors
30 floors