Many communities lie within San Joaquin Hills. Those communities include Crestview, Glen Cove, Knolls, and Somerset, and now The Summit (with a new final community coming Mar of 06).
The text describes several communities situated within the San Joaquin Hills region.  These communities are: Crestview, Glen Cove, Knolls, and Somerset. A new community named The Summit is currently under construction and expected to be finished in March of 2006.