Baby in the Backpack!?

Hello! We recently moved here from Arizona and have a 6-month old who loves to ride in her backpack! I am looking for day-hike trails that are moderate to difficult in terms of elevation/grade but shorter in length/time. We live in Riverside and are willing to travel up to 2 hours for these hikes! Any recommendations would be greatly appreciated!! :) If you are a hiking mama and want company too, let me know! :) Thanks!