Entry No. 39 — the San Antonio file — filed under: ruins
Portland Cement Plant Ruins
Established in 1880, this was the first Portland cement plant west of the Mississippi River, producing materials used to build the Texas State Capitol. After the limestone quarry was exhausted in 1908, the company relocated, leaving behind the massive 1889 brick smokestack and several kiln structures. Today, these historic industrial ruins stand preserved alongside the adjacent Japanese Tea Garden in Brackenridge Park.
The story
In 1880, long before this corner of San Antonio became a municipal park, it was a heavy industrial engine. This was the first Portland cement plant west of the Mississippi River, quarrying raw limestone right out of the ground to produce the concrete that laid the foundation for the Texas State Capitol in Austin.
When the local limestone quarry ran completely dry in 1908, the company abandoned the site and relocated. Rather than demolishing the plant, they left its heaviest bones standing. The sun-baked pit was eventually re-engineered into the adjacent Japanese Tea Garden, but the plant’s massive 1889 red-brick smokestack and kiln ruins remain fixed in place at Baumberger Plaza, acting as a bizarre industrial gateway to the park.
What it's like
You’ll find the ruins standing openly in Brackenridge Park at Baumberger Plaza, right next to the entrance of the Japanese Tea Garden. There are no tickets or entry turnstiles; you can walk right up to the base of the 1889 smokestack and examine the exterior masonry of the old kilns. The interior spaces and doorways are boarded up and secured, so expect an exterior walk-around rather than an urban-exploration crawl. It’s an easy, quiet pit stop to photograph heavy 19th-century industrial masonry before taking the stairs down into the sunken garden.
The move: Take a romantic stroll through Brackenridge Park to photograph the towering 1889 brick smokestack and historic kiln ruins, then head next door to enjoy the lush pathways and koi ponds of the Japanese Tea Garden.
📍 Before you go The ruins are located in Brackenridge Park (specifically Baumberger Plaza), a public city park that is free and open to the public daily.
- 📍 San Antonio
- 💸 Free
- ⚡ Low-key
- 🌗 Outdoors
Where: 3853 N St Mary's St, San Antonio, TX 78212, USA
Hours: Added 2026-07-20 — confirm current access before you go.
Pair it with
- Dionicio Rodríguez's Faux-Bois Bridge & Torii Gate, Brackenridge Park — Cross into the park to see another unusual use of concrete—crafted by artist Dionicio Rodríguez to look like gnarled tree branches.
- Miraflores Park — Continue just down the Hildebrand corridor to find a forgotten 1920s private sanctuary packed with historic faux-bois stone sculpture.
- Holy Diver Tiki Lounge — Head south down St. Mary's Street after dark to swap outdoor industrial ruins for a hidden tiki hideaway above a dive bar.
Good to know
Where inside the park are the cement plant ruins?
They are located in Baumberger Plaza within Brackenridge Park, right at 3853 N St Mary's St, immediately adjacent to the Japanese Tea Garden.
Is there an admission fee or set operating hours?
No, the site sits on public park land, making it free and open daily during standard Brackenridge Park operating hours.
Can you go inside the kiln buildings or smokestack?
No, the remaining brick structures and kiln buildings are boarded up for safety, but you can inspect the exterior brickwork up close.
Plan a visit & invite your people →
Further reading: Atlas Obscura · mysanantonio.com
last checked: 2026-07-20