--- title: "Guadalupe River Water Levels Guide: Tubing vs. Swimming by Season" description: "How to read USGS gauges on the Guadalupe River, what cfs and temperature mean for tubing, and the best months to plan a family river trip." lang: en json-ld: | [ { "@context": "https://schema.org", "@type": "LodgingBusiness", "name": "Son's Geronimo", "url": "https://sonsgeronimo.com/", "image": "https://sonsgeronimo.com/og-image.webp", "telephone": "+1-877-577-7667", "priceRange": "$99-$$$", "address": { "@type": "PostalAddress", "streetAddress": "2111 Laubach Rd", "addressLocality": "Seguin", "addressRegion": "TX", "postalCode": "78155", "addressCountry": "US" }, "makesOffer": { "@type": "Offer", "name": "Book Direct for Lowest Rates", "priceCurrency": "USD", "price": "99", "priceSpecification": { "@type": "UnitPriceSpecification", "price": "99", "priceCurrency": "USD", "unitText": "NIGHT" }, "url": "https://sonsgeronimo.com/book-now", "availability": "https://schema.org/InStock" }, "amenityFeature": [ { "@type": "LocationFeatureSpecification", "name": "Spring-fed creek frontage", "value": true }, { "@type": "LocationFeatureSpecification", "name": "Free kayaks & paddleboards", "value": true }, { "@type": "LocationFeatureSpecification", "name": "Two heated pools", "value": true }, { "@type": "LocationFeatureSpecification", "name": "Two hot tubs", "value": true }, { "@type": "LocationFeatureSpecification", "name": "Family-only property (no parties)", "value": true } ] }, { "@context": "https://schema.org", "@graph": [ { "@type": "BlogPosting", "headline": "Guadalupe River Water Levels: When to Visit for Tubing vs. Swimming", "description": "How to read USGS gauges on the Guadalupe River, what cfs and temperature mean for tubing, and the best months to plan a family river trip.", "image": "https://sonsgeronimo.com/images/family-kayaking-near-new-braunfels.webp", "author": { "@type": "Organization", "name": "Son's Geronimo" }, "publisher": { "@type": "Organization", "name": "Son's Geronimo", "logo": { "@type": "ImageObject", "url": "https://sonsgeronimo.com/images/logo.webp" } }, "datePublished": "2026-05-27T03:13:05.59942+00:00", "dateModified": "2026-05-27T03:13:05.59942+00:00", "mainEntityOfPage": { "@type": "WebPage", "@id": "https://sonsgeronimo.com/blog/guadalupe-river-water-levels-guide" }, "inLanguage": "en-US", "isPartOf": { "@type": "Blog", "name": "The Geronimo Journal", "@id": "https://sonsgeronimo.com/blog" } }, { "@type": "BreadcrumbList", "itemListElement": [ { "@type": "ListItem", "position": 1, "name": "Home", "item": "https://sonsgeronimo.com/" }, { "@type": "ListItem", "position": 2, "name": "Blog", "item": "https://sonsgeronimo.com/blog" }, { "@type": "ListItem", "position": 3, "name": "Guadalupe River Water Levels: When to Visit for Tubing vs. Swimming", "item": "https://sonsgeronimo.com/blog/guadalupe-river-water-levels-guide" } ] }, { "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "What's the best Guadalupe River water level for family tubing?", "acceptedAnswer": { "@type": "Answer", "text": "The family-friendly sweet spot is 200–400 cfs (cubic feet per second) at the Sattler USGS gauge. Below 100 cfs you'll be walking your tube over rocks; above 800 cfs the river gets pushy and outfitters often pull tubes from the water. Always check the gauge the morning of your float." } }, { "@type": "Question", "name": "How cold is the Guadalupe River below Canyon Lake?", "acceptedAnswer": { "@type": "Answer", "text": "The Guadalupe below Canyon Lake is fed by bottom-of-the-dam water releases, so it stays cold year-round — typically 55°F to 65°F even in August. That's part of the appeal on a 100° Texas day, but kids and elderly tubers can get uncomfortable fast. Combine cold water with a cloudy day and the trip turns miserable." } }, { "@type": "Question", "name": "When is the best time of year to tube the Guadalupe River?", "acceptedAnswer": { "@type": "Answer", "text": "June is typically the best month — flow is solid (300–600 cfs), weather is warm, and crowds haven't peaked. May and September are also great. Avoid August in drought years when flow drops under 200 cfs, and skip November–February for tubing entirely (it's still a great cabin season, just not a river-trip one)." } }, { "@type": "Question", "name": "How do I check Guadalupe River water levels before my trip?", "acceptedAnswer": { "@type": "Answer", "text": "Google 'USGS Sattler Guadalupe' for the standard reference gauge. Check both the current cfs and the recent trend — a steeply rising line means recent rain and the water will keep rising for 24–48 hours. After heavy rain, wait at least two days before floating." } } ] } ] } ] --- [ BACK TO SCHOOL SPECIAL! WEEKDAYS $99 A NIGHT + FREE KAYAKING & PADDLEBOARDING! — BOOK NOW. BACK TO SCHOOL SPECIAL! WEEKDAYS $99 A NIGHT + FREE KAYAKING & PADDLEBOARDING! — BOOK NOW. ](/book-now) [![Son's Geronimo Texas](/images/logo.webp)](/) [Our Cabins](/cabins) Stay Groups Info [Specials](/specials)[Contact](/contact) [(877) 577-7667](tel:877-577-7667)[](tel:877-577-7667)[Book Now](/book-now) [Back to Blog](/blog) # Guadalupe River Water Levels: When to Visit for Tubing vs. Swimming Son's Geronimo May 27, 2026 ![Guadalupe River Water Levels: When to Visit for Tubing vs. Swimming](/images/family-kayaking-near-new-braunfels.webp) The Guadalupe River is moody. A great tubing weekend in June can become a barely-floating shuffle in August, then a closed-for-flooding river after one big October storm. If you're planning a trip — especially with kids — knowing how to read water levels saves you from showing up to a river you can't actually use. This is the short, non-engineer version. ## The two numbers that matter Every trip planning conversation should start with: 1. \*\*Flow rate\*\* in cubic feet per second (cfs) 2. \*\*Water temperature\*\* in degrees F You can pull both from the USGS gauges at Spring Branch, Sattler, and New Braunfels in about 10 seconds. Bookmark the Sattler gauge — it's the standard reference for the popular upper Guadalupe tubing stretches. ## What the cfs numbers mean for tubing | Flow (cfs) | What it feels like | Recommendation | |---|---|---| | Under 100 | Walking your tube over rocks | Skip tubing, swim instead | | 100–200 | Slow drift, fine for kids | Family-friendly | | 200–400 | Classic Guadalupe float | Sweet spot | | 400–800 | Faster, more fun for adults | Skip with under-8s | | 800–1,500 | Pushy, advanced tubers | Outfitters often pull tubes | | 1,500+ | River closed | Do not enter | Outfitters along the Horseshoe and 4th Crossing stretches will close when cfs gets too high — but solo trips don't have anyone to tell you no. Check the gauge the morning of. ## Why temperature matters more than you think The Guadalupe below Canyon Lake is fed by water released from the bottom of the dam — cold even in August (often 55–65°F). That's part of the appeal: tubing in cold water on a 100° Texas day is magical. But: - Under 65°F gets uncomfortable fast for kids - Combine 60°F water with a cloudy day and the trip is miserable - Hypothermia is real for long floats in cold water without sun Above Canyon Lake (the upper Guadalupe near Hunt and Kerrville) is warmer because it's surface-fed. Different experience entirely. ## When to go (by month) | Month | Typical flow | Temp | Best for | |---|---|---|---| | March | 200–500 cfs | Cold | Adult floats | | April | 200–500 | Cool | Spring break crowds | | May | 300–700 | Cool | Tubing peak begins | | June | 300–600 | Cool | Best month overall | | July | 200–400 | Cool | Crowded but fun | | August | 100–300 | Cool | Shorter floats | | September | 100–300 | Cool–mild | Underrated, quieter | | October | Variable | Mild | Storm-dependent | | Nov–Feb | Variable | Cold | Cabin weekend, not tubing | These are typical ranges. Drought years run lower; wet years run higher. Always check the gauge the week of your trip. ## Reading a USGS gauge in 30 seconds 1. Google "USGS Sattler Guadalupe" 2. Look at the current value in cfs (top of the page) 3. Look at the graph — is it spiking up (recent rain) or steady? 4. Look at temperature on the same page 5. Compare cfs to the table above Spiking flow after a storm is the most dangerous condition because the water keeps rising for 24–48 hours after the rain stops. If the line is going up steeply, wait a day. ## Where Son's Geronimo fits in Son's Geronimo sits on spring-fed Geronimo Creek, not the Guadalupe — which means our water levels are far more predictable. Geronimo Creek stays paddleable nearly year-round because it's fed by springs, not surface runoff. We don't offer tubing on our creek (the spring-fed flow is too slow), but cabin guests get free use of paddleboards and kayaks year-round. For guests who specifically want a Guadalupe tubing day, the river is about 25 minutes from our cabins. Most families do both: spring-fed paddle in the morning at the creek, Guadalupe tube trip in the afternoon, back to the cabin pools by sundown. If you want a property \*on\* the Guadalupe, our sister property \[Son's Guadalupe\](https://sonsguadalupe.com) is on the river. For a property on the calmer San Marcos River with included tubing, \[Son's River Ranch\](https://sonsriverranch.com) is the move. ## TL;DR for trip planning - Check the Sattler gauge the morning of your float - 200–400 cfs is the family sweet spot - Under 100 cfs, swim instead of tube - Cold water + cloudy day = miserable, plan around it - After heavy rain, wait 48 hours The river rewards people who pay attention to it. A 10-second gauge check before you load the truck saves the trip. ## Keep Reading - [Geronimo Creek vs. Guadalupe River: Which Float Is Right for Your Group?](/blog/geronimo-creek-vs-guadalupe-river) - [Cabins on the Guadalupe River vs. Geronimo Creek: Which One Fits Your Trip?](/blog/cabins-guadalupe-river-vs-geronimo-creek) - [Hill Country Spring-Fed Swimming Holes Near Cabins](/blog/hill-country-spring-fed-swimming-holes) - [What to Expect on Your Stay](/what-to-expect) - [Cabins Near New Braunfels](/cabins-near-new-braunfels) - [Easter Weekend Cabins](/easter) ### Ready for Your Hill Country Getaway? Book your creekside cabin at Son's Geronimo today. 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