ReservableOut of season, no booking; November 1 opens May 1.
Book on recreation.govWe make nothing when you book
Right now
Nobody has saidNo season, no closure, no bookings to read
A night
$24–$26Across the site types the agency prices
Sites
9185 on recreation.gov
82 ftLongest rig
950 ftElevation
779 ftWater · an unnamed pond
0.4 miN of Johnston, IA
55%Tree cover

The place

the agency’s own description · what’s there · 3 notices

In the agency’s own words

Acorn Valley Campground is located on the 26,000-acre Saylorville Lake Project, which stretches over 50 miles up the Des Moines River Valley. The lake provides a wide variety of recreational activities, including camping, bicycling, boating, swimming, fishing, hiking and hunting. Keep reading

Recreation

Anglers enjoy the lake for its abundance of walleye, wiper, largemouth bass, catfish, crappie and northern pike. The paved Neal Smith Trail winds 24 miles from Des Moines to Big Creek State Park and connects the campgrounds on the east side of the lake. It is designated as a National Recreation Trail and is used for biking, hiking, jogging, walking and in-line skating.

Facilities

The campground offers 29 family sites with electric hookups and 54 primitive walk-to tent sites. The campground also features 2 group tent camping areas; a youth group camping area with special restrictions to organized youth as well as a standard group area open to all visitors. Amenities include flush toilets, showers, drinking water and a dump station. Nearby facilities include picnic areas with group shelters, boat ramps, a marina and a fishing dock.

Natural Features

The mature Bur Oaks at the entrance to Acorn Valley beckon visitors to explore its 26 acres on the fringe of an upland timber stand. Wildlife is abundant throughout the area. White-tailed deer, turkeys, pheasants, waterfowl and other small game animals roam the lands around the lake.

What the agency tells you

Rule

Click here for more information about Saylorville Lake.

Rule

Click here for a virtual tour of the Saylorville Lake area.

Rule

Saylorville Lake Campground Rules Camping: Allowed only at designated campsites. Reservations must be made in advance before setting up camping equipment. Campsite Registration: Campsites may only be registered to individuals 18 years or older, who must occupy the site for the full duration. Each campsite accommodates 1 family unit (up to 8 people) and allows either 3 tents OR 1 RV and 2 tents. Check-out time: 12:00 p.m. (noon) Check-in time: 2:00 p.m. Vacating & Registration: Campsites must be vacated or registration renewed by 12:00 p.m. on the due date. Camping is limited to 14 days within any 30-day period. Parking: Reserving campsites by parking vehicles or leaving items is prohibited. All vehicles (including boats/trailers) must be parked at your campsite or in designated areas. No parking on grass, roadsides, or vacant sites. Please ensure your visitors follow parking rules. Vehicle Operation: All vehicles (including mopeds and bicycles) must comply with Federal, State, and local laws. Stay on designated roads and use vehicles only for entering or exiting sites. UTVs, ATVs, and golf carts are not allowed in campgrounds or parks. Quiet Hours: From 10:00 p.m. to 6:00 a.m. Campgrounds are restricted to registered campers during these hours. Visitors must leave by 10:00 p.m. Gates remain open 24/7. Trash Disposal: Use designated dumpsters only. Do not leave trash in fire rings, grills, or shower building cans. Remove all personal items and litter before departure. Recycling containers are available. Dumpsters are for trash generated on USACE property only. Grey Water Disposal: Grey water (from dishes, baths, soap, grease, etc.) must be collected and disposed of properly. Do not drain it on campsites or use it to water vegetation. Improper disposal creates odors, health issues, and attracts animals. Pets: Must be confined or leashed (6 feet or shorter) at all times. E-collars are not sufficient. Pets may not be left unattended and are not allowed in bathrooms or shower buildings. Pick up and dispose of waste properly. Firewood: Not available for purchase on-site. You may gather only fallen deadwood. Do not cut or damage trees, vegetation, or natural features. Firewood may be brought from home or purchased from off-site vendors. Pools & Water Games: Pools of any size or slip-n-slides and sprinklers are prohibited. Water tables are allowed. Prohibited Items: Fireworks, explosives, loaded firearms, ammunition, bows, and other projectile devices are not allowed. Smoking: Not allowed inside restrooms or shower buildings. Grills & Picnic Tables: Do not place grills or hot materials on picnic tables—use attached grill guards. Site holders are responsible for any damage or replacements. Yard Games: Games such as water balloons or egg toss are prohibited due to litter. Balloon pieces are non-biodegradable and harmful to pets and wildlife. Pet Leashes & Hammocks: Do not tie leashes, ropes, or chains to trees or shrubs. Hammocks may be used only on trees 6 inches or more in diameter to avoid damage. Alcoholic Beverages: Permitted for those 21 and older at all campgrounds. Hangtags: Registered campers may receive hangtags for access to beach and boat ramp day-use areas. Hangtags must be properly displayed. Golden Age/Access Passports: These and America the Beautiful Senior/Access Passes provide a 50% discount on recreation fees. The cardholder must present the card and ID during registration and be present for the stay. Fraudulent use is prohibited. Washing Equipment: Washing of RVs, trailers, vehicles, or equipment is not allowed at campgrounds or day-use areas. Use local wash facilities instead. Deliveries: Personal package deliveries (Amazon, FedEx, UPS, etc.) should be sent to your home, business, or a local postal facility. Saylorville Lake campgrounds, the Administration Building, and Visitor Center do not accept or hold deliveries. Equipment & Vehicle Storage: Reserving extra campsites solely to store equipment or vehicles is not allowed. Use designated overflow or additional parking during your stay. Water Spigots: Water spigots are for temporary use only to fill freshwater tanks. Do not use continuous hoses, Y-splitters, or attachments. Continuous hookups are only allowed at campsites with water service.

Tents and rigs

Sites
91 · 1 tent-only, 55 walk-in, 2 group
Hookups
29 electric, 1 water
Longest rig
82 ft
Accessible sites
2
Pets
Allowed
Campfires
Allowed, barring fire bans
Shade
Every site
Source: Recreation.gov campsite records · Aug 23, 2026

Facilities

Toilets
Flush Toilets
“…open to all visitors. Amenities include flush toilets, showers, drinking water and a dump station. Nearby…”
Showers
Yes, the record doesn’t say what kind
“Amenities include flush toilets, showers, drinking water and a dump station.”
Drinking water
Yes
“…include flush toilets, showers, drinking water and a dump station. Nearby facilities include…”
Dump station
Yes
Boat ramp
Yes
Stay limit
14 nights
recreation.gov facility rule maxStay
Source: Stated in the agency description · Aug 23, 2026
Water, toilets and showers: read from the agency description, shown above · Sep 12, 2026

Around the campground

On the water
Lake, River, Creek
Biking
Boating
Fishing
Hiking
Hunting
Ranger programs
Swimming
Water sports
Wildlife viewing
Night sky · 25th darkest of 32 in IA
Bortle 5
Source: Recreation.gov activity records · Aug 23, 2026

No reading yet, book on recreation.gov

recreation.gov lists 85 of the 91 campsites the agency files here. The rest aren’t on its booking system, so a reservation won’t get you one.

No availability snapshot inside the last 36 hours, so this page draws nothing rather than ageing a reading into fiction.

Booking windowOut of seasonOut of season, no booking. On November 1, 2026 at 10 AM ET, availability opens through May 1, 2027.recreation.govAdd to calendar (.ics)
Max stay14 nightsthe facility record
A night$24–$26plus $8 to reserve, once per bookingthe agency’s rate schedule
A weekend$56–$60DerivedFriday and Saturday, everything includedours, from the lines above
If plans change$10 to cancel$10 to change a reservationrecreation.gov’s schedule
Runs itU.S. Army Corps of EngineersBooked through recreation.govthe agency’s record
Watch for a cancellation

Full? Watch it.

One email when a night opens, plus More Than Just Parks dispatches. Unsubscribe any time.

We read recreation.gov once an hour, at 40 minutes past, and write the first time a site in your window is free for the nights you asked for.

Scanners that check every few minutes exist, and most of them charge. This one is free, it reads the same calendar, and it won’t always be first.

Free forever, no booking kickbacks.
Tell me when the season opens

Watch for the season to open

One email when the season goes on sale, plus More Than Just Parks dispatches. Unsubscribe any time.

We check once an hour, at 40 minutes past, and write the first time the agency has that season on sale.

Scanners that check every few minutes exist, and most of them charge. This one is free, it reads the same calendar, and it won’t always be first.

We’ll write once, when the season that starts Sat, May 1 2027 is open for booking.

Free forever, no booking kickbacks.
Book on recreation.gov

We make nothing when you book. The link goes straight to the government.

Every line of the receipt · 14

What you actually pay

The sign priceU.S. Army Corps of Engineers
A night, per site$24–$26
Standard Electric$24
Standard Electric$26
Group areas, a night$70–$84
Rates for the season the campground is in now, May 1, 2026 to Oct 14, 2026.
The booking feerecreation.gov
Reservation fee, booked online$8
One fee per reservation, however many nights you book, and it’s non-refundable. $9 if you book by phone, $3 in person.
Pass discounts only apply to the recreation (or use) fee for the facility. Other charges such as electricity or water hookups, reservation or other fees are not eligible for a discount.
What a stay costs
One nightDerived$32–$34
A weekend, Friday and SaturdayDerived$56–$60

Derived by CAMPANAC: the agency’s published rates for this season, $24–$26 a night, plus one $8 recreation.gov reservation fee for the booking. A weekend here means Friday and Saturday night, booked once. Optional charges (an extra vehicle, a second tent, a dump-station fee) are listed separately and aren’t in this total.

If your plans changerecreation.gov
Change fee, moving to dates outside your booking$10
Cancellation fee$10
Cancelling the day before, or the day of$10 + your first night
No-show$20 + your first night

Who keeps the booking fee

The agency’s own policy text says the reservation fee and the cancellation processing fee are “retained by the reservation service contractor”, and that a campground concessionaire will decline to refund them because “they did not receive these fees”. Recreation.gov is run under contract by Booz Allen Hamilton. What share of your booking fee the contractor keeps isn’t published in any federal dataset we can read, so we print no number for it. Our reporting on the contract →

How we know this receipt · 5

rules read Sep 9, 2026 · rates Sep 10, 2026 · How we know all this

Seen something wrong here? Tell us.

The sites

91 sites · which ones have room · the site map

The sites, ranked

from 84 mapped sites
76 ftbetween you and the next site, typically
Least room082 31 ft083 31 ft008 37 ft

All 91 sites

90 of 91 sites located
RV / electric29Walk, hike or boat in54Group1Type not stated6
SleepsTakes aUp to

Toilet distances are OpenStreetMap’s, measured for 90 of the 91 sites listed. A site with no reading is unknown, never far.

The price is derived by CAMPANAC, not published per site: the per-night rate this campground publishes for each site’s own site type. 84 of the 91 sites listed carry one, and a site whose type has no published rate sits out of the price rather than being called free.

ACORN VALLEY001standard electric55 ft50 amp113 ft143 ft346 ft$24–$26
ACORN VALLEY002standard electric50 amp95 ft111 ft242 ft$24–$26
ACORN VALLEY003standard electric54 ft50 amp105 ft77 ft170 ft$24–$26
ACORN VALLEY004standard electric45 ft50 amp70 ft174 ft118 ft$24–$26
ACORN VALLEY005standard electric32 ft50 amp92 ft95 ft196 ft$24–$26
ACORN VALLEY006standard electric82 ft50 amp70 ft220 ft167 ft$24–$26
ACORN VALLEY007standard electric22 ft50 amp41 ft180 ft261 ft$24–$26
ACORN VALLEY008standard electric30 ft50 amp37 ft218 ft290 ft$24–$26
ACORN VALLEY009standard electric41 ft50 amp37 ft252 ft319 ft$24–$26
ACORN VALLEY010standard electric51 ft50 amp80 ft321 ft328 ft$24–$26
ACORN VALLEY011standard electric57 ft50 amp52 ft311 ft233 ft$24–$26
ACORN VALLEY012standard electric67 ft50 amp82 ft399 ft343 ft$24–$26
ACORN VALLEY013standard electric36 ft50 amp66 ft465 ft362 ft$24–$26
ACORN VALLEY014standard electric55 ft50 amp66 ft451 ft313 ft$24–$26
ACORN VALLEY015standard electric30 ft50 amp52 ft339 ft213 ft$24–$26
ACORN VALLEY016standard electric39 ft50 amp77 ft423 ft249 ft$24–$26
ACORN VALLEY017standard electric41 ft50 amp75 ft307 ft140 ft$24–$26
ACORN VALLEY018standard electric19 ft50 amp63 ft394 ft188 ft$24–$26
ACORN VALLEY019standard electric55 ft50 amp63 ft405 ft172 ft$24–$26
ACORN VALLEY020standard electric53 ft50 ampyes77 ft336 ft99 ft$24–$26
ACORN VALLEY021standard electric53 ft50 amp122 ft458 ft217 ft$24–$26
ACORN VALLEY022standard electric59 ft50 amp73 ft361 ft155 ft$24–$26
ACORN VALLEY023standard electric20 ft50 amp77 ft427 ft232 ft$24–$26
ACORN VALLEY024standard electric66 ft50 amp73 ft306 ft147 ft$24–$26
ACORN VALLEY025standard electric51 ft50 amp77 ft364 ft232 ft$24–$26
ACORN VALLEY026standard electric37 ft50 amp68 ft255 ft187 ft$24–$26
ACORN VALLEY027standard electric56 ft50 amp77 ft312 ft262 ft$24–$26
ACORN VALLEY028standard electric70 ft50 amp68 ft202 ft233 ft$24–$26
ACORN VALLEY029standard electric35 ft50 amp86 ft253 ft310 ft$24–$26
ACORN VALLEY035walk to147 ft352 ft828 ft$14
ACORN VALLEY036walk to76 ft214 ft895 ft$14
ACORN VALLEY037walk to76 ft217 ft825 ft$14
ACORN VALLEY038walk to91 ft256 ft746 ft$14
ACORN VALLEY039walk to94 ft303 ft659 ft$14
ACORN VALLEY040walk to97 ft399 ft685 ft$14
ACORN VALLEY041walk to89 ft308 ft613 ft$14
ACORN VALLEY042walk to77 ft235 ft567 ft$14
ACORN VALLEY043walk to75 ft178 ft545 ft$14
ACORN VALLEY044walk to75 ft126 ft531 ft$14
ACORN VALLEY045walk to78 ft86 ft520 ft$14
ACORN VALLEY046walk to96 ft101 ft551 ft$14
ACORN VALLEY047walk to79 ft133 ft532 ft$14
ACORN VALLEY048walk to79 ft148 ft479 ft$14
ACORN VALLEY049walk to107 ft255 ft380 ft$14
ACORN VALLEY050walk to80 ft334 ft412 ft$14
ACORN VALLEY051walk to80 ft410 ft369 ft$14
ACORN VALLEY052walk to87 ft501 ft335 ft$14
ACORN VALLEY053walk to83 ft584 ft335 ft$14
ACORN VALLEY054walk to83 ft667 ft322 ft$14
ACORN VALLEY055walk to84 ft736 ft288 ft$14
ACORN VALLEY056walk to103 ft748 ft402 ft$14
ACORN VALLEY057walk to85 ft816 ft290 ft$14
ACORN VALLEY058walk to85 ft891 ft302 ft$14
ACORN VALLEY059walk to65 ft908 ftSaylorville Lake296 ft$14
ACORN VALLEY060walk to61 ft936 ft258 ft$14
ACORN VALLEY061walk to61 ft920 ftSaylorville Lake289 ft$14
ACORN VALLEY075walk to81 ft955 ft368 ft$14
ACORN VALLEY076walk to81 ft874 ft362 ft$14
ACORN VALLEY077walk to82 ft799 ft339 ft$14
ACORN VALLEY078walk to85 ft727 ft324 ft$14
ACORN VALLEY079walk to94 ft659 ft322 ft$14
ACORN VALLEY080walk to57 ft804 ft216 ft$14
ACORN VALLEY081walk to51 ft859 ft260 ft$14
ACORN VALLEY082walk to31 ft861 ftSaylorville Lake300 ft$14
ACORN VALLEY083walk to31 ft846 ftSaylorville Lake285 ft$14
ACORN VALLEY084walk to66 ft470 ftSaylorville Lake757 ft$14
ACORN VALLEY085walk to66 ft405 ftSaylorville Lake791 ft$14
ACORN VALLEY086walk to53 ft388 ftSaylorville Lake850 ft$14
ACORN VALLEY087walk to53 ft336 ftSaylorville Lake873 ft$14
ACORN VALLEY088walk to61 ft328 ftSaylorville Lake929 ft$14
ACORN VALLEY089walk to62 ft270 ftSaylorville Lake973 ft$14
ACORN VALLEY090walk to65 ft208 ftSaylorville Lake985 ft$14
ACORN VALLEY091walk to54 ft181 ftSaylorville Lake958 ft$14
ACORN VALLEY092walk to53 ft180 ftSaylorville Lake929 ft$14
ACORN VALLEY093walk to48 ft213 ftSaylorville Lake880 ft$14
ACORN VALLEY094walk to44 ft261 ftSaylorville Lake843 ft$14
ACORN VALLEY095walk to44 ft297 ftSaylorville Lake799 ft$14
ACORN VALLEY096walk to54 ft349 ftSaylorville Lake746 ft$14
ACORN VALLEY097walk to77 ft364 ftSaylorville Lake778 ft$14
ACORN VALLEY098walk to150 ft486 ftSaylorville Lake596 ft$14
ACORN VALLEY099walk to55 ft742 ftSaylorville Lake319 ft$14
ACORN VALLEY100walk to55 ft785 ftSaylorville Lake264 ft$14
ACORN VALLEY101walk to85 ft723 ftSaylorville Lake287 ft$14
ACORN VALLEY103type not stated623 ftSaylorville Lake317 ft
ACORN VALLEY104type not stated598 ftSaylorville Lake389 ft
ACORN VALLEY105type not stated552 ftSaylorville Lake377 ft
ACORN VALLEY106type not stated509 ftSaylorville Lake478 ft
ACORN VALLEY107type not stated495 ftSaylorville Lake438 ft
ACORN VALLEY108type not stated414 ftSaylorville Lake572 ft
ACORN VALLEYGroup 030group walk to$70
ACORN VALLEYGroup/Youth Site, 102group tent only area nonelectric20 ampyes103 ft659 ftSaylorville Lake324 ft

25 of 91 listed

Getting there

the map and the coordinate · the agency’s directions · the phone number
Coordinate41.73778, -93.72361
The phone515-276-0429
The agency’s pageOfficial page ↗

Where it is

Getting there

From I-35/80 north of Des Moines, Iowa, take exit 131 toward Johnston/Saylorville Lake. Turn north on Merle Hay Road and continue for 2.8 miles. At the four-way stop, turn left on Northwest Beaver Drive and continue for 3.7 miles. Turn right onto Northwest Coryden Drive and follow signs into the campground.

The weather

the next four days · the thirty-year normal

Next four days, and the thirty-year normal

Forecast

Today52°Chance Rain Showers then Mostly Cloudy44% rain
Tonight33°Mostly Clear then Areas Of Frost
Saturday59°Widespread Frost then Sunny
Saturday Night41°Clear

NWS forecast for Johnston, IA

Typical weather

Typical October night 43°F, day 63°F.

Coldest month of the year: typical January night 13°F, below freezing. Bring a bag rated colder than that, and expect ice in the water bottle.

90°32°0°

Daily high and lowDays with 0.10 in or more

A normal is the 1991-2020 average for the month, not a forecast: about half of all Julys are colder than the July line. The seven-day forecast above answers the other question.

Measured at: DES MOINES WSFO-JOHNSTON, IA (USC00132209), 0.1 miles away and at about the same elevation

The land, and who answers for it

who answers for it

Who answers for this land

Zach Nunn, official portrait

Acorn Valley is in Iowa’s 3rd congressional district. Its representative, Zach Nunn (R), votes on the laws that decide what happens to this land. Public-lands grade so far: F. See every public-lands vote →

Seen something wrong here? Tell us.

How we know

every fact on this page, and where it came from
Right now: U.S. Army Corps of Engineers publishes no season and no closure for this campground, and it takes no bookings we can read. That’s a gap in the record and not a locked gate: the number below is the only way to be sure.
Cell signal: the Army Corps’s own campground description, read as text by CAMPANAC. None of this is a measurement. It’s what the land manager published about the place, and phones, carriers and weather all disagree with each other; treat it as a warning, not a promise.