IDA-certified Hill Country park with a walk-in astronomy field.
Updated:
· Tonight: Friday, August 14, 2026
📍 Hill Country, TX🌑 Bortle 2🚗 Fly into San Antonio or Austin, then drive roughly 2.5–3 hours west to Junction, TX.📅 DarkSky International Dark Sky Park.
About South Llano River
South Llano River State Park sits on the Edwards Plateau in west-central Texas and is a certified Dark Sky Park with a genuinely good Milky Way view, on top of being one of the best birding parks in the state.
What you can see in the sky
The Milky Way band and typical Hill Country dark-sky star fields over the river bottomland.
Best time of year
Clear new-moon nights, spring through fall.
Why this site is worth the drive
Certified DarkSky International Dark Sky Park
Riverside camping under genuinely dark rural skies
Combine daytime birding/paddling with night stargazing
Practical tips for South Llano River
You can add a night activity fee to stay out past the normal 10 p.m. cutoff
Camp on site to avoid a night drive back out on rural roads
Live 48-hour forecast
Tonight's verdict above is a build-time snapshot. For the full
hourly view — cloud cover, transparency, seeing, smoke, humidity,
moon altitude and a Bortle-aware tonight score by observing mode
(visual, deep-sky, planetary, astrophoto) — open the live forecast:
The live page combines Open-Meteo weather, US-AQI wildfire smoke,
moon math and Bortle-scale darkness into a single tonight score
(0–100), updated continuously.
Frequently asked questions
Is South Llano River good for stargazing tonight?
Tonight's verdict is Fair (Medium confidence). Short 2h window, otherwise mean cloud 67%. Worth a look if you're nearby.
When is the best time of year to stargaze at South Llano River?
Clear new-moon nights, spring through fall.
How long is the drive from Toronto?
Fly into San Antonio or Austin, then drive roughly 2.5–3 hours west to Junction, TX.
What can I see in the sky here?
The Milky Way band and typical Hill Country dark-sky star fields over the river bottomland.
How dark is the sky? (Bortle scale)
South Llano River sits at Bortle class 2 on the 1–9 dark-sky scale, where 1 is a pristine wilderness sky and 9 is an inner-city sky.