Diamond Bar is a city located in eastern Los Angeles County, California, United States. It is approximately 27 miles east of downtown Los Angeles and borders the cities of Pomona and Walnut. The city has a total area of 14.9 square miles (38.6 km²) and a population of around 56,000 people as of the 2020 census.

Diamond Canyon Park is a public park located in Diamond Bar, California. It covers an area of approximately 20 acres and offers a variety of recreational activities for visitors of all ages. The park features a large playground area with a variety of equipment suitable for children of all ages.

Sycamore Canyon Park Trail is 1.6 miles (round-trip) in length.

Summitridge Trail is a hiking trail located in Diamond Bar, California. It is a popular trail among hikers and outdoor enthusiasts because of its scenic views and challenging terrain. The trail is approximately 3.5 miles long and features a steep incline that leads to the top of the ridge, where hikers are rewarded with panoramic views of the surrounding area.

Carlton J. Peterson Park is a park in Diamond Bar, California.

The Steep Canyon Trail is a popular heavily trafficked loop trail located in Diamond Bar, California. The trail offers a challenging hike with steep inclines, rocky terrain, and stunning views of the surrounding hillsides and canyons with beautiful wild flowers.

Maple Hill Park is a public park located in Diamond Bar, California. It covers an area of approximately 4 acres and offers a range of recreational facilities and activities for visitors of all ages. The park features a playground area with a variety of equipment suitable for children of all ages.

Summitridge Park is a public park located in Diamond Bar, California. It covers an area of approximately 10 acres and offers a variety of recreational facilities and activities for visitors of all ages. The park features multiple picnic areas with tables and barbecue grills, making it a great place for outdoor meals and gatherings.

Pantera Park is a public park located in Diamond Bar, California. It covers an area of approximately 26 acres and offers a variety of recreational facilities and activities for visitors of all ages. The park features multiple picnic areas, barbecue grills, playgrounds, and sports fields, including baseball, soccer, and basketball.

Sycamore Canyon Park is a public park located in Diamond Bar, California. The park covers an area of approximately 28 acres and offers a range of recreational facilities and activities for visitors of all ages. The park features multiple picnic areas with tables and barbecue grills, making it a great place for outdoor meals and gatherings.