Phoenix Bat Cave, Maricopa County Travel Guide

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Witness thousands of bats emerge from their urban roost at the Phoenix Bat Cave, a unique and unforgettable natural spectacle.

The Phoenix Bat Cave, a Maricopa County Flood Control Tunnel, is an unlikely yet captivating attraction where thousands of Mexican free-tailed bats roost every summer. As dusk approaches, witness a mesmerizing exodus as these bats emerge to feast on insects, creating a thrilling spectacle against the Phoenix skyline.

A brief summary to Phoenix Bat Cave

3698-3694 E Colter St, Phoenix, Arizona, 85018, US

From Eve

Know before you go

Hi, I'm Eve. Here are a few practical things to know before exploring Phoenix Bat Cave.

Arrive 30-45 minutes before sunset to secure a good viewing spot and witness the beginning of the bat emergence.
The best time to view the bats is between June and August, when the colony is at its peak size.
Stand on the south side of the fence (canal side) for the best viewing experience as the bats fly directly overhead.
Bring water and snacks, especially if visiting with children, as it can get hot while waiting for the bats to emerge.

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Explore Phoenix Bat Cave on the Map

A handpicked selection of must-see spots near Phoenix Bat Cave, mapped for you.

Getting There

Walking

From the intersection of 40th Street and Camelback Road, walk north on 40th Street until you reach the Arizona Canal Trail. Head west on the trail, and after a short walk (approximately 5-10 minutes), you'll see the flood control tunnel to the north. Viewing areas are located along the fenced perimeter of the tunnel. There is no dedicated parking, so park near 40th Street and Camelback Road and walk to the site.
Public Transport

Take the bus to the 36th St/Colter St stop. From there, walk north on 36th St until you reach E Colter St. Turn left onto E Colter St and continue walking west. You will soon see the entrance to Phoenix Bat Cave at 3698-3694 E Colter St. Be prepared for a short walk through a park-like setting to reach the main viewing area. A single bus fare is $2.

Discover more about Phoenix Bat Cave

The Phoenix Bat Cave offers a unique opportunity to witness a natural phenomenon in the heart of the city. What appears to be an ordinary flood control tunnel transforms into a seasonal home for an estimated 10,000 to 20,000 Mexican free-tailed bats. These bats migrate to Phoenix every year from May to October to roost, mate, and raise their young.As the sun begins to set, the sky comes alive with the emergence of these nocturnal creatures. The bats leave the tunnel in droves, creating a swirling vortex as they ascend into the sky to hunt for insects. This nightly spectacle typically lasts for about 20 minutes, offering visitors a captivating glimpse into the natural world. The sight of thousands of bats silhouetted against the twilight is truly a memorable experience.While the Phoenix Bat Cave is a popular spot for bat watching, it's important to remember that it is a flood control tunnel. During heavy storms, water levels can rise rapidly, making the tunnel dangerous. Visitors should observe the bats from the designated viewing areas located outside the fenced perimeter. These areas provide a safe and informative vantage point for witnessing the bat emergence.