Brisbane, California is a small city located in San Mateo County with a population of approximately 4,700. The climate in Brisbane is typically mild with cool temperatures and low humidity thanks to its coastal location. The area is known for its diverse ecosystem, which includes the Brisbane Lagoon, a popular spot for birdwatching and hiking. The hydrology constituents of the area include the San Francisco Bay, which is adjacent to the city, and the San Bruno Mountain watershed. Outdoor recreation opportunities in Brisbane include hiking, mountain biking, and fishing. The city is also home to several parks and community facilities that offer a variety of activities and events.