Pasadena, CA sits at a distance from Desert Hot Springs, CA, which may raise practical questions for you. You might think about visits, communication, or simply how far feels manageable. These are personal calculations that only you can make. No single answer applies to every household.
You may also compare Desert Hot Springs, CA with nearby Palm Springs, CA as you research the wider region. Thinking geographically can help you build a mental map of your options. Still, geography alone will not tell you whether a setting fits your loved one's needs. That answer depends on individualized factors you have not yet gathered.