ISSS Bat Watching Boat Tour

It is a spectacular sight to see the bats emerge from the bridge at sunset! An estimated 1.5 million Mexican free-tailed bats live under the Congress Avenue Bridge. It is the largest urban colony in North America, recognized by National Geographic, The Discovery Channel, and various other news media. Come relax on the lake, observe our unusual attraction, and listen to the narration and history provided by your captain.

Arrive Early! The boat will depart at 6:30pm. Departure time is approximately 30 minutes prior to sunset – boarding begins 45 minutes prior to departure and ends 15 minutes prior to departure. We suggest planning to arrive around 5:30pm. The tour itself will last for approximately 1 hour.

You must register to attend this event. If you show up for this event and are NOT registered, we cannot guarantee there will be space available on the boat. After all registered attendees have boarded the boat, we will allow unregistered attendees on board first come, first serve until we reach maximum capacity.