Tuno writes:

Good thermals, too. Making it to the Canyon is a real treat for
Arizona x/c pilots. I hope to do it again in a few weeks en route to
Parowan, UT.

Don't the current rules pretty much exclude glider flights over the canyon,
even above the rim? It doesn't look like you can get below 11,500 MSL or so,
and not at all through the no-fly areas. Unless gliders are special (which
they could be, since I think the main motivation for the SFRA is noise).