Entry No. 41 — the Dallas file — filed under: giant-rocks
Big Rocks Park
Big Rocks Park is a free city park where the Paluxy River has sculpted massive Cretaceous limestone boulders into a natural playground of rounded caves, cracks, and wading pools right at the river's edge. Glen Rose — the self-styled "Dinosaur Capital of Texas" — sits on these same fossil-bearing limestone formations, making every rock you scramble over a piece of the deep past.
The story
Most people drive 75 miles southwest from Dallas straight to Dinosaur Valley State Park, pay the entrance fee, and join the crowds hunting for tracks in the river mud. You didn't hear it from us, but you can skip the gate fee and pull up to a quiet stretch of Glen Rose city land off Barnard Street instead. Here, the Paluxy River spent centuries biting into Cretaceous limestone formations, leaving behind a chaotic pile of pale, water-sculpted boulders—some towering over ten feet high—pitted with deep cracks, natural stone arches, and hollowed-out wading caves.
Because Glen Rose sits on fossil-bearing limestone from a 100-million-year-old shallow sea, every boulder you leap across is a piece of deep Texan geology. Small concrete spillways hold back shallow swimming spots where the spring-fed current runs cool and clear during dry spells. When you are done wedging yourself through five-foot stone chasms, you can follow the paved Riverwalk path right along the banks upstream to Heritage Park, where the current regularly exposes real dinosaur tracks in the bed of the river.
What it's like
Arrive early or on a weekday, because the small parking lot off Barnard Street fills quickly on hot summer afternoons with locals sitting in the spillway to beat the Texas heat. Leave flip-flops in the car—the wet limestone gets coated in slick river algae, so grippy rubber-soled water shoes are mandatory if you plan to scramble over the rocks. You will be squeezing into narrow rock crevices, jumping three-foot gaps between boulders, and wading in shallow river pools. If the region has seen heavy rain recently, the Paluxy can rise fast and turn murky, so check river conditions online before making the drive down from DFW.
The move: Pack sandwiches and water shoes, then spend an afternoon hopping and scrambling across the giant limestone boulders while wading through the shallow, spring-fed Paluxy — after, walk the Riverwalk upstream to Heritage Park and poke around the dinosaur tracks the river keeps exposing in the riverbed.
📍 Before you go This is a Glen Rose city park roughly 75 miles southwest of Dallas, so plan it as a day trip rather than an evening run. Park in the small lot off Barnard Street, or leave the car at Paluxy Heritage Park and follow the Riverwalk down to the rocks. Late spring through late summer is the sweet spot, when the spring-fed Paluxy runs low and clear; after heavy rain it can turn high and fast, so check water levels first. Bring grippy water shoes, since the limestone gets slick. It is walking distance from the historic downtown square, and Dinosaur Valley State Park is a short drive away.
- 📍 Glen Rose
- 💸 Free
- ⚡ Up for anything
- 🌗 Outdoors
Where: 1014 SW Barnard St, Glen Rose, TX 76043
Hours: Mined 2026-06-07 — confirm current hours before you go.
Pair it with
- Petrified Wood Speakeasy Ruins (Ed Young Station) — Pair boulder scrambling on natural river stone with a one-mile drive to see a Prohibition-era gas station and speakeasy built entirely out of petrified wood and fossilized rock.
- Creation Evidence Museum — After exploring real river geology, drive three miles down the road to check out the local young-Earth museum claiming human footprints share rock slabs with Cretaceous dinosaur tracks.
- Fossil Rim Wildlife Center — Trade climbing limestone river rocks for a five-mile trip to drive through an 1,800-acre conservation preserve where giraffes lean directly into your car.
- Dinosaur Valley State Park Star Party — If you stay in Glen Rose until dark, head four miles upstream into the state park to look at deep-sky objects through telescopes set up by local astronomers.
Good to know
Is there an entry fee for Big Rocks Park?
No. It is a free municipal park operated by the city of Glen Rose with open public access.
Where can I park if the lot on Barnard Street is full?
You can park at Paluxy Heritage Park near the historic town square and take the paved Riverwalk trail down along the river directly to the boulder field.
What footwear should I bring?
Wear grippy water shoes or rubber-soled river sandals. The limestone rocks are constantly sprayed by water and algae, making barefoot climbing or smooth-soled shoes dangerous.
Are there dinosaur tracks at Big Rocks Park itself?
The park itself is famous for giant limestone boulders and wading pools, but walking the Riverwalk path upstream to Heritage Park will bring you to exposed trackways in the riverbed.
Plan a visit & invite your people →
Further reading: visitglenrosetx.com · Atlas Obscura · Tripadvisor
last checked: 2026-06-07