There is a TFR in effect for the area near the Oak fire in Cajon Pass.
7 nautical mile radius from 34º19'05"N, 117º30'36"W, surface to 8,000' MSL.
http://tfr.faa.gov/save_pages/detail_5_7298.html (7/20/15: NO LONGER LISTED)
We will be able to fly in the Crestline/Marshall area, just don't go west of Sugarpine Peak.
Silverwood Lake would be a good reference landmark as well.