Amphitheater: The Amphitheater at Carbon Canyon Park is a quaint addition in a forest setting. It can seat approximately 45 people which makes it perfect for small ceremonies. Maximum area capacity is 75 people. It is surrounded by a native garden, a butterfly garden and many trees. Mountains from Chino Hills surround the outskirts. Please call the park office at (714) 973-3162 to reserve the Amphitheater.