If you're driving, Diamond Bar is conveniently located at the intersection of the 57 and 60 freeways. Parking is available on-site for all the locations listed in this itinerary. If you're taking public transportation, the Foothill Transit bus system has several routes that stop in Diamond Bar. The estimated travel time and cost will depend on your starting location.
If you have extra time, visit the Diamond Bar Historical Society Museum to learn more about the city's rich history. If you're looking to add some outdoor activities to your itinerary, check out Sycamore Canyon Park for hiking or Summitridge Park for picnicking. If you have less time, you can skip the pet store and spend more time at the other locations listed.