As most of these locations are natural areas, it is recommended to rent a car to allow for easy travelling between each location. Some locations also have parking fees, so factor those into your budget. Estimated travel time is 30 minutes between each location.
If you have more time, consider visiting the Santa Fe Dam Recreational Area or hiking to the popular Monrovia Canyon Falls. If you have less time, skip the San Gabriel River Trail and head straight to the Azusa Canyon for a scenic drive through the mountains.
The closest airport to Baldwin Park is LA/Ontario International Airport (ONT), located approximately 25 miles away. Other nearby airports include John Wayne Airport (SNA) and Los Angeles International Airport (LAX), both located approximately 40 miles away.