Trumbull Lake
Sold out? Sites at Trumbull Lake 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.
At a Glance
About Trumbull Lake
Trumbull Lake is a national park campground at Humboldt-Toiyabe National Forest Headquarters in Mono County, California. Reservations are managed through Recreation.gov. Campsite Tonight watches Humboldt-Toiyabe National Forest Headquarters around the clock and automatically adds an open site to your Recreation.gov cart the moment a cancellation appears — so you just check out.
Trumbull Lake 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 82 ft. Campers rate it 4.5/5 across 105 reviews.
Other campgrounds at Humboldt-Toiyabe National Forest Headquarters include Green Creek Group, Crags Campground, Lower Twin Lakes at Bridgeport, Paha and Robinson Creek South.
Total reservations in June — 2023: 79 · 2024: 157 · 2025: 65
Location
Address
Bridgeport, California
Coordinates
38.0506, -119.2572
Very high demand - sites typically fill up immediately when the booking window opens. Plan to book the moment reservations open.
- •August sees 413 reservations - book early or set cancellation alerts.
Nearby Campgrounds
Green Creek Group
Humboldt-Toiyabe National Forest Headquarters
Saddlebag Lake Trailhead Group Camp
Inyo National Forest
Crags Campground
Humboldt-Toiyabe National Forest Headquarters
Lower Twin Lakes at Bridgeport
Humboldt-Toiyabe National Forest Headquarters
Paha
Humboldt-Toiyabe National Forest Headquarters
Robinson Creek South
Humboldt-Toiyabe National Forest Headquarters
Photos
Trumbull Lake FAQ
How far in advance should I book Trumbull Lake?
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 Trumbull Lake?
August typically sees the highest reservation activity at Trumbull Lake. During peak times, 100% of reservations are made 2+ weeks in advance.
Are there campsites available at Trumbull Lake right now?
Trumbull Lake 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.
How often is availability checked at Trumbull Lake?
Campsite Tonight monitors Trumbull Lake for cancellations and new availability as fast as every 22 sec. When a site opens up, users with alerts enabled receive instant notifications so they can book before others.
Can I get a reservation at Trumbull Lake?
Yes! Campers have recently secured reservations at Trumbull Lake using Campsite Tonight's availability alerts. Even when fully booked, cancellations happen regularly. Set up an alert to get notified instantly when a site opens up.
Where is Trumbull Lake located?
Trumbull Lake is located in Humboldt-Toiyabe National Forest Headquarters, near Bridgeport, California.
Track Availability at Trumbull Lake
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