Where’s a good day ride in SoCal

Looking for a good place for a day ride I live in the orange area of California usually head it towards the high desert or mountains it’s a lil cold and snow in my mountain trails so was thinking somewhere else . seeing if there’s some
Where out there I haven’t been or have forgotten about please let me know looking at heading out tomorrow taking my dad for a spin …
Tx
Cs xpt4

Cruising my Prewar Schwinn [emoji605]