Fiesta is a celebration to honor the heroes of the Alamo.  It is 2 weeks of parades, festivals, cultural performances, concerts, scholarship pageants, and carnivals.   There is something for everyone!  It is one of those things that you must experience at least once.  http://www.fiesta-sa.org  Viva Fiesta!

Buckhorn Lake Resort is a super nice RV Park in Kerrville, TX about an hour outside of San Antonio.  Our RV spot was right on the lake which the kids loved.  We could sit at our site and watch the turtles and fish swim by.  This resort has a really nice playground, dog park, swimming pools, fitness center (overlooking the lake), laundry facility, fishing, and guest cottages.  It is the perfect RV park if you want to take a trip with friends that don't have an RV.  You can pick a site right next door to one of the cottages.  
Visit their website at http://www.buckhornlake.com to make reservations and check out their events calendar.  They often have live music, movie nights, pizza nights, pancake breakfasts, etc.  It is a beautiful place!