Campsite Tonight

Union Flat

★3.4(27 reviews)
Auto add-to-cart availableHigh DemandTahoe National Forest · Camptonville, California
🚛Big Rig Friendly🏞️Lake Access🌊River Access🏔️Mountain Views🌲Forest Setting🥾Hiking

Sold out? Sites at Union Flat open up when campers cancel.

Campsite Tonight watches Recreation.gov 24/7 and adds an open site to your cart automatically — you just check out.

About Union Flat

Union Flat is a national park campground at Tahoe National Forest in Sierra County, California. Reservations are managed through Recreation.gov. Instead of refreshing Recreation.gov, let Campsite Tonight watch for cancellations and automatically drop an open site into your cart the instant one frees up.

Union Flat is in very high demand — sites here routinely sell out well in advance. Cancellations are often the best way in, which is exactly what Campsite Tonight watches for.

The campground accommodates RVs and trailers up to 50 ft. Campers rate it 3.4/5 across 27 reviews.

Other campgrounds at Tahoe National Forest include Loganville, Packsaddle, Berger, Diablo and Wild Plum.

Reservation Trends - Union Flat
Month:

Total reservations in April — 2025: 8

Booking windows show when reservations are made relative to check-in date
14-Day Availability
Fri10/16
None
Sat10/17
None
Sun10/18
None
Mon10/19
None
Tue10/20
None
Wed10/21
None
Thu10/22
None
Fri10/23
None
Sat10/24
None
Sun10/25
None
Mon10/26
None
Tue10/27
None
Wed10/28
None
Thu10/29
None
None
Low
Good
High

Location

Address

Camptonville, California

Coordinates

39.5681, -120.7450

Booking Insights

Very high demand - sites typically fill up immediately when the booking window opens. Plan to book the moment reservations open.

  • •June sees 129 reservations - book early or set cancellation alerts.

Nearby Campgrounds

Photos

N. Yuba
North Fork Yuba River
North Fork Yuba River
North Fork Yuba
Union Flat campsite photo 5 - Tahoe National Forest, California
Union Flat campsite photo 6 - Tahoe National Forest, California

Union Flat FAQ

How far in advance should I book Union Flat?

Very high demand - sites typically fill up immediately when the booking window opens. Plan to book the moment reservations open. Mark your calendar for when the booking window opens (typically 5-6 months ahead). Also set alerts - cancellations do happen.

What is the busiest time at Union Flat?

June typically sees the highest reservation activity at Union Flat. During peak times, 100% of reservations are made 2+ weeks in advance.

Are there campsites available at Union Flat right now?

Union Flat is currently fully booked for the next 14 days. However, cancellations happen frequently - download the Campsite Tonight app to get instant alerts when sites become available.

Where is Union Flat located?

Union Flat is located in Tahoe National Forest, near Camptonville, California.

Track Availability at Union Flat

Get instant notifications when campsites become available at Union Flat. Never miss a cancellation again.

Available on iOS and Android