Hacienda's location in the growing Tri-Valley region means that there is no shortage of things to do nearby. From music and theater performances to meetings of professional groups and volunteer associations, the local area has a great deal to offer. Hacienda's calendar of events is also distributed through our Hacienda Online! program. By signing up for Hacienda Online! Connection. To get an idea of everything waiting for you, simply make the selection below.