Big Gay River Float: Austin to San Marcos Adventure
Difficulty
easy
Duration
3.5–4 hours
Fitness Level
Suitable for most fitness levels; requires basic swimming ability and ability to sit comfortably for several hours.
Overview
Float down the San Marcos River with easy bus access from Austin. Enjoy tubes, coolers, and a BYOB vibe plus an exciting after party at RAIN.
Adventure Tips
Bring Waterproof Bags
Keep your phone and valuables protected by using waterproof bags during the float.
Arrive Early for Check-In
Get to the departure point early to ensure smooth boarding and a relaxed start to your adventure.
Stay Hydrated
Even though you can BYOB, drinking plenty of water while floating is important, especially in the Texas sun.
Wear Sunscreen
Protect your skin by applying reef-safe sunscreen before and during the float.
Local Insights
Wildlife
- Freshwater turtles
- Neotropical songbirds such as the Painted Bunting
History
The San Marcos River is one of the oldest rivers in Texas and has been a vital resource for local indigenous peoples for thousands of years.
Conservation
Efforts by the San Marcos River Foundation help protect the river’s water quality and habitats from pollution and overuse.
Frequently Asked Questions
Recommended Gear
Reef-Safe Sunscreen
Protects your skin during prolonged sun exposure while being eco-friendly to the river.
summer specific
Waterproof Phone Case
Keeps your phone dry and safe to capture photos or communicate during the float.
Comfortable Water Shoes
Protects your feet from rocky river bottoms and provides better traction while in and out of the water.
spring specific
Reusable Cooler Bag
Keeps your drinks and snacks cold as you float along.