Montebello is easily accessible by car and also has public transportation options, including the Montebello Bus Lines and Metrolink trains. Taxis and ride-sharing services are also available. Expect to spend an average of $15-$20 per day for transportation, depending on your method of travel and distance.
If you have more time, consider visiting nearby attractions such as the Los Angeles County Museum of Art or Disneyland. If you have less time, consider combining some of the activities in one day or skipping some of the locations altogether. Be sure to check the opening and closing times for each place before heading out to avoid disappointment. Finally, bring comfortable shoes, sunscreen, and a hat for outdoor activities, and bring a jacket for chilly evenings.