Trimmer Campground
4.1757 reviewsPO Box 117, Piedra, CA, 93649, USA
Quick Facts
Price
$20/night
Booking
Reservable
Sites
10 campsites
Season
Open season runs fro...
Cell
Unknown
Pets
Allowed
RV FriendlyShowers
Get DirectionsQuick Facts
Price
$20/night
Booking
Reservable
Sites
10 campsites
Season
Open season runs fro...
Cell
Unknown
Pets
Allowed
RV FriendlyShowers
Get DirectionsTrimmer Campground
$20.00 - $20.00 / night
Campsite Fees
Fees for camping are $20 per night for both standard nonelectric and tent-only nonelectric sites. Reservation fees may apply, ranging from $3 to $9,...
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Standard Site Fee$20.00
Hookup Site Fee$0.00
Premium Site Fee$0.00
Hike and Bike Site Fee$0.00
Group Site Fee$0.00
Food Storage Locker Fee$0.00
Total Campsite Fees$20.00
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Recreation Dot Gov
Provider559-787-2589adam.t.thompson@usace.army.mil
What Campers Say
4.17
Satisfactory
Based on 57 reviews
53 Google reviews
Most mentioned
viewscleanshowersrestrooms
"User reviews paint a mixed picture of Trimmer Campground. Positive highlights include beautiful views, friendly rangers, and clean facilities. Negative aspects include spider infestations in restrooms, limited privacy due to tightly packed sites, and issues with lake water levels. Sentiment average specifically for campgrounds is 3.96."
Fees & Passes at Trimmer Campground
$20/night
Campsite fees
Standard Site
Basic tent/RV spot
Stay Limit: Maximum stay limit is 14 days per visit, and 14 nights total within rolling 30 days.
Cancellation: Reservations can be canceled at any time before the arrival date. A $10 cancellation fee applies, al...
Prices verified November 27, 2025
Prices may vary by season and site type. Always confirm current rates on the official U.S. Army Corps of Engineers website.
Best Time to Camp at Trimmer Campground
Summer at Trimmer brings the full intensity of California sunshine, with temperatures soaring past 100°F—perfect for those who love to swim and play in the lake all day, though shade seekers should come prepared with canopies and umbrellas. The true magic happens in winter, when the campground transforms into a peaceful retreat. Cool, crisp air replaces summer's heat, crowds disappear, and the landscape takes on a serene beauty that photographers and nature lovers cherish. Spring awakens the hillsides with wildflowers and perfect camping weather, while fall paints the surrounding oaks in golden hues. These shoulder seasons offer the ideal balance of comfortable temperatures and smaller crowds, making them prime time for those seeking the perfect outdoor experience.
Spring (Mar-May)
Wildflowers bloom, mild temperatures, fewer crowds. Great for hiking and photography.
Best
Summer (Jun-Aug)
Peak season with warm weather, perfect for water activities. Book early.
Fall (Sep-Nov)
Beautiful fall colors, cooler temps, quieter campgrounds. Ideal for peaceful trips.
Winter (Dec-Feb)
Snow activities available. Some facilities may close. Check conditions.
Planning Tips
- Peak Season: January 1 to December 31 (Peak season pricing applies year-round).. Book 2-3 months ahead.
- Operating Season: Open season runs from January 1 to December 31 yearly.
About Trimmer Campground
Perched along the pristine shores of Pine Flat Lake in central California, Trimmer Campground offers an intimate escape with just 10 thoughtfully arranged campsites. This hidden gem welcomes both tent campers and RV enthusiasts to experience lakeside living at its finest. Each site comes equipped with everything you need for a comfortable stay: sturdy picnic tables for memorable meals, fire rings for evening gatherings, grills for outdoor cooking, and access to modern amenities including flush toilets and hot showers. The campground's single-loop design creates a friendly, community atmosphere while maintaining privacy. Just steps away, you'll find convenient lake access with a boat ramp, courtesy dock, and full-service marina, making it easy to launch your watercraft adventures or simply enjoy the waterfront views.
Accommodations at Trimmer Campground include tent and RV camping, but it is noted as less suitable for RVs due to tight and steep spaces.
Historical SignificanceTrimmer Campground sits in the shadow of the impressive Pine Flat Dam, an engineering marvel completed in 1954 that forever changed the landscape of the Kings River Valley. This massive concrete structure gave birth to the spectacular 20-mile-long Pine Flat Lake, transforming a rushing river into a recreational paradise. The campground serves as a gateway to the rich history of the region, positioned at the doorstep of Kings Canyon and Sequoia National Parks. Here, visitors can connect with both the natural wonders that have drawn people for millennia and the modern history of water management that shaped California's Central Valley into the agricultural powerhouse it is today.
Weather and SeasonsSummer at Trimmer brings the full intensity of California sunshine, with temperatures soaring past 100°F—perfect for those who love to swim and play in the lake all day, though shade seekers should come prepared with canopies and umbrellas. The true magic happens in winter, when the campground transforms into a peaceful retreat. Cool, crisp air replaces summer's heat, crowds disappear, and the landscape takes on a serene beauty that photographers and nature lovers cherish. Spring awakens the hillsides with wildflowers and perfect camping weather, while fall paints the surrounding oaks in golden hues. These shoulder seasons offer the ideal balance of comfortable temperatures and smaller crowds, making them prime time for those seeking the perfect outdoor experience.
ElevationNestled in the gentle foothills of the Sierra Nevada Mountains, Trimmer Campground occupies that sweet spot where valley heat gives way to mountain coolness. While the exact elevation creates a perfect microclimate for year-round camping, visitors will notice the terrain's gradual rise from the Central Valley floor, offering just enough altitude to catch cooling breezes off the lake while remaining easily accessible for all types of vehicles and campers.
Natural Features and SceneryImagine waking up to the sight of morning mist rising off Pine Flat Lake, framed by rolling hills dotted with stately oaks and towering pines. Trimmer Campground places you at the heart of this natural amphitheater, where the foothills of the Sierra Nevada Mountains meet the sparkling waters of one of California's most scenic reservoirs. The surrounding forests create a diverse ecosystem where lucky visitors might spot elusive bobcats padding through the underbrush or magnificent red-tailed hawks soaring on thermal currents above the lake. As the western gateway to Kings Canyon and Sequoia National Parks, the campground offers a preview of the natural grandeur that lies just beyond, with each sunset painting the distant peaks in shades of pink and gold.
Geological RegionTrimmer Campground occupies a fascinating geological transition zone where the flat expanse of California's Central Valley rises to meet the ancient granite peaks of the Sierra Nevada. This foothill region tells a story millions of years in the making, where volcanic activity, tectonic forces, and erosion have sculpted a landscape of gentle slopes and hidden valleys. The mixed forests of oak and pine that characterize this elevation zone represent nature's perfect compromise between the valley's grasslands and the mountain's coniferous forests. Positioned at the western threshold of Kings Canyon and Sequoia National Parks, campers experience firsthand the dramatic geological diversity that makes the Sierra Nevada one of North America's most spectacular mountain ranges.
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Campsite details
AccessibilityAccessible restroom facilities are available. The campground terrain, however, is steep and may not be suitable for individuals with mobility challenges. "Very steep site. Not suitable for physically challenged," according to one review.
Sites SizeThe sites are described as small, often tight, with little room for large RVs or motorhomes. Tent pads are available but limited.
Sites PrivacyCampsites are closely packed, offering limited privacy. One user notes, "The camp sites are very close together but it was a beautiful view," while another says, "Campsites are on top of each other, no one bothers you."
Total Campsites10 campsites
Recommended CampsitesSite #1 is recommended for its shade and lake view. Site #2 is noted for its corner location and panoramic lake views, but lacks shade. Sites closer to the water are recommended for easier parking.
Best Campsites
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Reserving a campsite
Check-in
Check-in time is not explicitly stated.
Check-out
Check-out time is not explicitly stated.
Stay Limit
Maximum stay limit is 14 days per visit, and 14 nights total within rolling 30 days.
Guests Allowed Per Site
Maximum 8 persons per campsite.
Tents
Tents are allowed
RV vehicles
RV vehicles are allowed
Primitive
Primitive are not allowed
Reservable
Reservations are allowed
Site layoutThe campground is arranged in a single loop with 10 individual sites, some close together with limited privacy.
Open and Closed SeasonOpen season runs from January 1 to December 31 yearly.
Reservation PlatformsReservations can be made via Recreation.gov online, through the mobile app, or the contact center.
Walk-in AvailabilityAppears to operate on an honors system with a pay station for same-day reservations, but no explicit mention of walk-up availability.
Cancellation PolicyReservations can be canceled at any time before the arrival date. A $10 cancellation fee applies, along with forfeiting the first night's recreation use fee for late cancellations (starting from midnight 1 day before check-in). Changes made to bookings incur a $10 fee if the new dates differ entirely from the original dates.
Amenities available
Showers
Potable water
Fire rings
Picnic tables
Flush toilets
Activities you can enjoy
The campground offers a wide range of recreational activities including hiking, swimming, boating, jet skiing, water skiing, fishing, and wildlife viewing. "Boating, jet skiing, water skiing and fishing are some of the most popular activities at the lake," according to authoritative sources. Nearby attractions include whitewater rafting on Kings River and scenic drives through Kings Canyon National Park.
Hiking
Hiking trails are mentioned but not extensively detailed. Visitors may explore the nearby Sierra Nevada foothills.Fishing
Fishing opportunities are abundant with species like wild trout, bass, bluegill, crappie, and planted trout. User reviews report variable fishing success: "Fishing not that good," while another states, "Anglers will find wild trout above and in the lake."Swimming
Swimming is available in Pine Flat Lake, described as refreshing during hot weather. There is no designated swimming area. One user praises the lake, saying, "We went to the lake, put chairs and feet in, a lot cooler down by the lake."Boating
Boating is highly popular, supported by adjacent boat ramps and courtesy docks. "Boating, jet skiing, water skiing are some of the most popular activities at the lake," according to authoritative content.Wildlife viewing
Wildlife viewing opportunities include bobcats, red-tailed hawks, bald eagles, and coyotes. One reviewer notes seeing a bobcat in their campsite and others mention coyotes singing at night.Winter Activities
Winter camping is possible, and reviews note quiet and beautiful conditions during winter months. "Quiet and beautiful during winter," says one user.Water Sports
Water sports include jet skiing, water skiing, and kayaking opportunities. A marina is available for rentals and docking facilities.Advertisement
Campground rules
- Pets are allowed
- Campfire rings and grills are available at each site. Firewood should be sourced locally to minimize risk to forests.
- Quiet hours are from 10 PM to 6 AM.
Hazards
General hazardsPotential hazards include rattlesnakes, spiders in restrooms, steep terrain, and extreme summer heat.
Weather at Trimmer Campground
52
°F
Dec 7
Sunday
Mainly clear
Precipitation: 0%
Moderate wind, may affect light items
Humidity: 82%
High humidity, may feel muggy
Wind: 4.2 mph
Moderate wind, may affect light items
Mainly clear
Weather History
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Emergency Services
Closest emergency services include Fresno Community Regional Medical Center (40 miles), Fresno Police Department (40 miles), and Fresno County Fire Department (40 miles).
Good to know
Peak season datesJanuary 1 to December 31 (Peak season pricing applies year-round).
Trash and recyclingTrash disposal facilities are available, but some reviews noted overflowing bins during busy periods. "Trash overflowing," according to one user review. Recycling availability is not mentioned.
Proximity to water featuresAdjacent to Pine Flat Lake and includes a boat ramp and courtesy dock. Lake access may be limited during periods of low water levels.
Common complaintsRestrooms are frequently described as dirty and infested with spiders. The proximity of campsites is criticized for lack of privacy, and summer heat makes camping uncomfortable. Water levels in Pine Flat Lake can be low, reducing lake access.
HostPark rangers are described as friendly and helpful, checking on campers multiple times a day.
Campground Map
PO Box 117, Piedra, CA, 93649, USA
Driving directionsFrom Fresno, California, travel east on Highway 180/Kings Canyon Highway to Academy Avenue. Turn left onto Academy Avenue, and then turn right on Belmont Avenue. Continue traveling for approximately 26 miles; the entrance to Trimmer Recreation Area is on the right. NOTE: Belmont Avenue becomes East Trimmer Springs Road approximately 6 miles east of the Academy Avenue intersection.
The campground is accessible via paved roads, but the route is described as 'curvy' and best taken slowly. Belmont Avenue transitions to East Trimmer Springs Road which could confuse some drivers.Nearby places
Fresno (approximately 40 miles, around 1 hour drive), Clovis (approximately 45 miles, around 1 hour and 10 minutes drive), Reedley (approximately 25 miles, around 40 minutes drive).
Nearby supplies
Closest grocery stores and camping supplies are located in Clovis and Fresno, which are around 40-45 miles away. Piedra offers limited local options.
Reviews from booking and map sources
4.2
57 reviews
Trimmer Campground is satisfactory, placing it in the bottom 60% of campgrounds based on reviews
User reviews paint a mixed picture of Trimmer Campground. Positive highlights include beautiful views, friendly rangers, and clean facilities. Negative aspects include spider infestations in restrooms, limited privacy due to tightly packed sites, and issues with lake water levels. Sentiment average specifically for campgrounds is 3.96.
Review Summaries
Based on 57 reviews
What Campers Love
Highlights from reviews include clean restrooms, well-maintained showers, friendly rangers, and scenic lake views. "The restroom was very clean and well lit," and "The Ranger was super cool," are...
Based on 57 reviewsShow more
Common Concerns
Complaints include limited privacy, spider infestations in restrooms, overcrowding, and reduced lake water levels. "Seriously! The movie Arachnophobia had nothing on these bathrooms," and "Campsites...
Based on 57 reviewsShow more
Pro Tips & Recommendations
Recommendations include avoiding the campground during hot weather due to sparse shade and considering sites #1 and #2 for optimal lake views. "Best Sites are 1 & 2 both have an open amazing view,"...
Based on 57 reviewsShow more
Seasonal Insights
Winter reviews are largely positive, citing quiet conditions and beautiful weather. Summer reviews are more critical, highlighting extreme heat and reduced shade. Spring and fall seem to offer...
Based on 57 reviewsShow more
Camper Quotes
"Site #2 was the absolute best! The view cannot be beat and there are free hot showers." "Restrooms could have been swept better but then it has been a year since anyone’s been here." "The lake was...
Based on 57 reviewsShow more
Site-Specific Reviews
Site #1 is praised for its shade and personal lake view. Site #2 is highlighted for its unobstructed lake view. Sites #8 and #9 offer good morning shade but are close to neighbors. "Reserved campsite...
Based on 57 reviewsShow more
Accessibility Features
The campground terrain is steep and may not be suitable for those with mobility challenges. "Very steep site. Not suitable for physically challenged," according to one reviewer.
Based on 57 reviewsPet-Friendly Features
Pets are allowed, and one review mentions bringing two dogs and a cat for a family camping trip.
Based on 57 reviewsCamper Reviews by Outdoorithm campers
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Last updated November 27, 2025
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