Palm Springs/Desert, Temecula…road or mountain?

[Applesauce]

My wife and I are flying in Palm Springs in about two weeks just to hang out for a bit and ride bikes. We haven’t gotten accommodation yet, or settled on road or mountain bikes…yeah, non-vacation life is busy. 🤪

I got to looking though, and Temecula Valley looks like is might be better for both road and mountain. Question is, what should we do? We’re mostly mountain bikers these days, but that’s because the road riding in our area sucks and the mountain biking doesn’t. We love riding road bikes where it’s good. We’re only taking one bike each, either road or mountain. (We don’t own gravel bikes. We’re excellent mountain bikers, not concerned at all with trail difficulty etc.) I would really appreciate some local knowledge or experience!