The trip up to Keys View is definitely worth the climbing. There are awesome views from the top. It's about 9 km one from Park Blvd (or Loop Rd) and you gain about 270 m. It's never really steep. The average grade is just above 3% and the steepest sections are 5% - 6%. On some maps, Keys View is called Salton View and the road is called Salton View Rd.
Keys View towards Palm Springs
Keys View towards the Salton Sea