Fishing in Walnut Creek at Austin, Texas: Springs, Wildlife, History & Hidden Caves

Walnut Creek - Austin, Texas

One of my favorite places to spend a Saturday was Walnut Creek, tucked away behind one of Austin's living history farms. Whether we were fishing, hiking the bluffs, exploring the creek, or simply relaxing beneath the giant oak trees, there always seemed to be another adventure waiting around the next bend.

This Saturday we spent the day at the farm again fishing, exploring the woods, and hanging out with friends and family. As expected, the fish were biting and THIS TIME we had a fish fry! Some of us took a break from the fishing and just hiked around the area. Walnut Creek runs the entire length of the farm behind the woods. Fresh water from underground aquafers seeps to the surface and feeds into the creek - in most parts of the creek, the water is so clear, you can see huge catfish and Bass swimming around. Walnut creek spans 22 miles and drains into the Colorado River. The creek is also home to the Golden Cheeked Warbler. This bird is known to live nowhere on the planet except in Texas, with a migration each winter to Central America.

Texas Golden-cheeked Warbler

Above the creek and under some ancient Oak trees, is the Tonkawa Indian Campsite, preserved by the farm. In the near future, this site too will be opened to the public. The creek winds and turns mysteriously through the woods and many of us are adamant that there's a nearby cave on the farm. 13 caves have been discovered so far off of Walnut Creek in Austin, but I'm not sure exactly where they're located. I'm planning to attend a meeting with the Texas Underground grotto (local cavers/spelunkers) and plan to ask them what they know about those 13 caves and possibly get a few people together (from the farm) for ridge walking - this consists of looking for sinkholes, rock outcroppings, water disappearing into the ground, etc.

Can you see Josh on the bluff?

Beautiful bluffs over Walnut Creek

Alan on the bank.

Caitlin.

Secret fishing hole in Austin

Plenty of fish in Walnut Creek

More Bass!

Gigantic Perch caught at Walnut Creek

This is one of the biggest Perch I've ever seen.

Catch of the day!

Last night was the first time I've eaten fresh Perch in a long time! Brought back memories of my old fishing days back in Missouri when we used to fish off of Turkey Ridge. I'll have to ask my mother if she has any pictures to scan of our fishing escapades!

Update (2026): More Than Just a Fishing Hole

Looking back nearly twenty years later, I appreciate Walnut Creek even more than I did in 2008. What seemed like a simple family fishing trip was actually a chance to experience one of Central Texas' most fascinating natural and historical treasures.

The crystal-clear water flowing through Walnut Creek begins with springs fed by the Edwards Aquifer, one of the most productive limestone aquifers in the world. Stretching across much of Central Texas, the aquifer has supplied fresh drinking water for thousands of years and supports countless springs, creeks, caves, wildlife, and communities. As groundwater filters through layers of porous limestone, it emerges as the cool, clear springs that make creeks like Walnut Creek such excellent habitat for fish and other wildlife.

Long before Austin existed, these spring-fed waterways attracted the Tonkawa Indians, who established seasonal camps along the creek. Fresh water, abundant wildlife, fish, edible plants, and towering oak trees made the area an ideal place to live. Archaeological evidence found throughout Central Texas shows Native Americans depended on these creeks for thousands of years, and it's easy to understand why when standing along Walnut Creek today.

Beneath the surface lies another hidden world. Central Texas is famous for its limestone geology, which has created hundreds of caves through thousands of years of slowly dissolving rock. The Austin area alone contains hundreds of documented caves, many connected to the Edwards Aquifer and its underground water system. During the time I volunteered at the living history farm, there was always talk of hidden caves somewhere along Walnut Creek. That mystery only fueled my curiosity and eventually led me to attend meetings with local cavers to learn more about the fascinating underground world beneath our feet.

Today, whenever I look back through these photographs, I'm reminded that this wasn't just a day spent fishing. It was a day exploring a place where geology, Native American history, wildlife, and Texas history all came together along one beautiful spring-fed creek.

Tonkawa Indian Site