1m92 - other Cessnas fit as well, including 152 and 206/207.
Flew a PA28 for an hour once upon a long time ago, don't remember any height problem.
Also didn't have a problem sitting in a PA12 - the difficulty was getting into it in a hurry whilst it was drifting away from the jetty towards something expensive, and getting out of it in a hurry when approaching the jetty again. Someone shorter would have had less folding and unfolding and complicated real-time 3D mental arithmetic to do.
And there's plenty of room in a Beaver.