Go if
You want riverside access for swimming and fishing in a small, seasonal campground near Downieville.
Price
$24 - $48/night
Booking
Reservable
Sites
25 campsites
Season
Open April 15 to Oct...
Cell
Unknown
Pets
Very Pet Friendly
Price
$24 - $48/night
Booking
Reservable
Sites
25 campsites
Season
Open April 15 to Oct...
Cell
Unknown
Pets
Very Pet Friendly
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Learn more about alerts →Union Flat
Union Flat Campground, near Highway 49 (general location)
We'll monitor this campground and alert you the moment sites become available.
Free to start · paid plans add 2-min scans
263,000+ sites monitored · Email alerts to start; SMS and in-app with an account
Learn more about alerts →You want riverside access for swimming and fishing in a small, seasonal campground near Downieville.
You need quiet guaranteed after dark or want to avoid road dust and occasional highway noise.
Camper Report Card
Rated higher than 6% of graded campgrounds
Graded on what 49 campers actually wrote - graded on 14 things that make or break a trip. Each topic is graded against every other campground on it - A is among the best, C about average. No star ratings.
Strengths
Watch-outs
Each topic is graded against every other campground on it; a topic campers liked never grades below C−. ± shows the 95% confidence range from the sample size.
Union Flat appears in our curated guides. Explore more top-rated campgrounds for the same activities and regions.
Availability, what to pack, similar spots — ask anything and get an instant answer.
Best season: summer. Summer offers the warmest, most reliable weather for riverside activities — expect daytime highs around 75–90°F and cool nights in the mid-40s to mid-50s. The North Yuba is at its most inviting for swimming, wading, boating, and afternoon fishing, and most campground facilities are fully available (reservations begin June 25). Weekends can be moderately busy, but Union Flat's walk-to and riverside sites still feel peaceful compared with larger parks. Peak months: July, August, September, June Avoid: November, December, January, February
Best season: warm river, peak recreational activities and positive summer reviews noted.
Reservation tips, booking windows, and free cancellation alerts.
Utility hookups and showers are not available
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Pulled from per-site mentions in 76 reviews.
Site #11 is highlighted for its proximity to the river.
"Site #10 is also good for gold panning opportunities."
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