
EPA Files: Hidden Toxins Mystery Walk in San Antonio
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September 2026
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Who is going?
Adults
Age 13 and over
Children
Age 12 and under
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Free cancellation up to 24 hours before. Same price on Viator, Outty earns a commission.
Traveler rating
5.0/5
Based on 1 traveler reviews. Ratings and reviews provided by Viator and Tripadvisor.
Quick answer
Is EPA Files: Hidden Toxins Mystery Walk in San Antonio worth booking?
EPA Files: Hidden Toxins Mystery Walk in San Antonio is a 1.8-hour experience in San Antonio, United States, from $6 per person. It scores 55 out of 100 on the Outty Ranking, which we label “Worth a Look”, based on a 5/5 rating across 1 reviews. Cancellation is free up to 24 hours before the start time. Same-day spots are currently showing.
- Outty Ranking
- 55 / 100
- Rating
- 5/5 (1)
- Duration
- 1.8 hours
- From
- $6 per person
Dive into an environmental investigation adventure at San Antonio's modernized Pearl Complex and beautiful Riverwalk! Solve riddles and crack codes to discover endearing places, delicious restaurants, and historical sit
What you get
About this experience
Dive into an environmental investigation adventure at San Antonio's modernized Pearl Complex and beautiful Riverwalk! Solve riddles and crack codes to discover endearing places, delicious restaurants, and historical sites. Just north of downtown San Antonio, you will follow step-by-step instructions to find clues and solve this shocker of a case!
What's included
Included
- 24/7 customer support.
- Full availability: 24/7, every day of the year.
- A city exploration game available on your phone (Questo app).
- Safety: It’s self-guided, open air and you will avoid crowds.
- Flexibility: start, take a break and continue at your own pace.
Where it starts and ends
Meeting point
San Antonio
• Go to 868 Avenue A, San Antonio, TX 78215, USA (game starting point). • Open the Questo app and follow the instructions. • Finish point at 306 Pearl Pkwy #101, San Antonio, TX 78215, USA
Hotel pickup
No pickup: everyone meets at the start point.
Ends at
• Go to 868 Avenue A, San Antonio, TX 78215, USA (game starting point). • Open the Questo app and follow the instructions. • Finish point at 306 Pearl Pkwy #101, San Antonio, TX 78215, USA
Before you book
- Cancellation
- For a full refund, cancel at least 24 hours before the scheduled departure time.
- Languages
- en, es
- Ticket
- Mobile Only
- Runs on
- Every day
- Group size
- Up to 15 travelers per booking
- Operated by
- Questo
Know before you go
- Infants and small children can ride in a pram or stroller
- Service animals allowed
- Public transportation options are available nearby
- Suitable for all physical fitness levels
Photos






Traveler reviews
1 verified traveler reviews for EPA Files: Hidden Toxins Mystery Walk in San Antonio. Ratings and reviews provided by Viator and Tripadvisor.
Fun adventure with family and friends
One of the best experiences! We had a great time! It gave us a chance to see the river walk from a different perspective and learn a lot of cool information about the place!
Response from the operator: Thank you so much for playing EPA Files: Hidden Toxins Mystery Walk in San Antonio! 🎉 We’re thrilled you and your crew had a great time—and love that the game gave you a fresh angle on the River Walk while uncovering cool facts along the way. If you’re back in town (or traveling), we’ve got more mystery walks you can try with family and friends. Until then, thanks for exploring with us and for the awesome review!
via Tripadvisor
Good to know
- Duration
- 1.8 hours
- Free cancellation
- Up to 24h before
- Minimum age to book
- All ages
- Availability
- Bookable today
- Runs on
- Every day
- Price range
- $6 to $8
- Hotel pickup
- No pickup, meet at start point
- Booked in 30 days
- 0
- Verdict
- Worth a Look
Why this scores 55
The Outty Ranking is a weighted composite. Here is how this experience performed on each component.
EPA Files: Hidden Toxins Mystery Walk in San Antonio: questions travelers ask
Practical detail on this experience, plus the wider planning questions for San Antonio.
How much does EPA Files: Hidden Toxins Mystery Walk in San Antonio cost?
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Prices start at $6 per person. The final price depends on the date, the time slot and the number of travelers, and peak weekends in San Antonio usually price higher than midweek mornings. Live pricing and remaining availability are confirmed on the booking screen before you pay.
How long does EPA Files: Hidden Toxins Mystery Walk in San Antonio take?
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Plan for about 1.8 hours from start to finish, not counting travel to the meeting point. Most travelers leave another 30 minutes on either side so the rest of the day in San Antonio is not rushed.
Is EPA Files: Hidden Toxins Mystery Walk in San Antonio worth it?
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It holds an Outty Ranking of 55 out of 100, which we label "Worth a Look". That score blends traveler sentiment (5/5 across 1 reviews), the depth of that review evidence, recent booking momentum, value for money against comparable last minute in San Antonio, and how flexible the cancellation terms are.
Can I cancel or reschedule EPA Files: Hidden Toxins Mystery Walk in San Antonio?
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Yes. Cancel free up to 24 hours before the start time for a full refund. Inside that window the booking is non-refundable, and no-shows are not refunded.
Is EPA Files: Hidden Toxins Mystery Walk in San Antonio suitable for kids and families?
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Yes, all ages are welcome. Families should still weigh the 1.8-hour running time, and strollers are easier on the earlier, quieter departures.
How far in advance should I book EPA Files: Hidden Toxins Mystery Walk in San Antonio?
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Around 0 people booked this in the last 30 days, so popular slots go early. Two to three weeks ahead is comfortable in shoulder season, while summer weekends and holidays in San Antonio can sell out a month out. Same-day spots do open up when other travelers cancel, so it is worth checking if you are already in town.
What should I bring or wear?
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Bring photo ID, your booking confirmation on your phone, a refillable water bottle and comfortable shoes. Dress for the weather in San Antonio and add a light layer if any part of the 1.8-hour experience runs outdoors or after sunset.
Where does EPA Files: Hidden Toxins Mystery Walk in San Antonio start and how do I get there?
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The exact meeting point and directions are on your voucher once you book, and they sit in central San Antonio within reach of public transport. Arrive 15 minutes early: late arrivals are treated as no-shows by most operators.
What are the best things to do in San Antonio?
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San Antonio runs River Walk cruises and dinner tours, Alamo and mission trail history walks, ghost tours through the old quarter, and Hill Country wine and cave trips. Mission tours vary in whether they cover all five UNESCO sites. On Outty we rank every San Antonio experience on the same 0 to 100 scale, and alongside this one the highest scorers right now include The Escape Game San Antonio: Epic 60-Minute Adventures at The Rim, Walking Tour Along the San Antonio Riverwalk And Around Downtown, Small-Group World Heritage San Antonio Missions Guided Tour. The city page groups everything into most popular, highest reviewed, last minute and family-friendly so you can build a day around what actually delivers.
When is the best time to visit San Antonio?
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March to May and October to November. Booking patterns follow the same curve: prices and queues climb in peak weeks, while shoulder season gives you better availability on the top-ranked experiences and more room to change plans.
How many days do you need in San Antonio?
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Three full days covers the headline sights without sprinting. A workable rhythm is one anchor experience each morning, such as this one, an unhurried afternoon in a single neighborhood, then a food or nightlife booking in the evening. Five days lets you add a day trip outside the city.
Do I book through Outty or through the operator?
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Outty ranks and explains the experiences, then hands you to Viator to complete the booking with the operator directly. The price is the same as booking on Viator yourself, and Outty earns an affiliate commission on the referral, which is how the rankings stay free to read.
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