The map on the back of my business cards:

If that doesn’t get you here, try Google maps:

http://maps.google.com/maps?f=q&hl=en&geocode=&q=mason,+tx&ie=UTF8&ll=30.748272,-99.22991&spn=0.008926,0.018797&z=16

If that doesn’t get you here, drive to Mason, when you get to the stop sign, look up!