itOpened Guides · Saylorville Lake
How to actually get a site at Acorn Valley — the verified facts, the release reality, and the cancellation route in.
Watch it with itOpened
Proof, from our own scanners: 673 confirmed openings across 34 campgrounds since Oct 29, 2026 — each one re-verified before logging. See the live cancellation index.
Watch Acorn ValleyFree to start. We never book, hold, or resell — you book it yourself, in your own account, at the normal price. Fees pay for monitoring; openings are first-come and cannot be guaranteed.
Overview 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. 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.
| Total sites | 91 |
|---|---|
| Site types | Walk-to / hike-to, Standard, Group |
| Site mix (directory count) | Walk-to / hike-to 54 · Standard 29 · Group 2 |
| Area | Saylorville Lake |
| Managed by | US Army Corps of Engineers |
| Nearest community | JOHNSTON, IA |
| Activities | Biking, Boating, Camping, Fishing, Hiking, Hunting, Interpretive Programs, Swimming Site, Water Sports, Wildlife Viewing |
| Directory phone | 515-276-0429 |
| Official listing | Recreation.gov campground page |
| Book through | Recreation.gov |
Acorn Valley is reserved through Recreation.gov, on the release pattern stated in its official listing. In demand, reservable sites are claimed within minutes of each release — which is why the campground reads as sold out for most of the year, and why the realistic route in is rarely the release itself.
Sites booked months ahead get cancelled as trips fall through, and each cancellation returns its nights to the official calendar instantly — first-come, no waitlist, no announcement. itOpened scans the Recreation.gov calendar for Acorn Valley around the clock; when a site matching your dates and vehicle opens, you get a text with a direct link, and you book it yourself, in your own account, at the normal price. We never book, hold, or resell. The mechanics are the same ones documented in how campsite cancellations actually work.
Watch more than one calendar. These nearby or same-area campgrounds take the same trip — and their cancellations are independent chances:
| Prairie Flower Recreation Area | 252 sites · same area |
|---|---|
| Cherry Glen Campground | 125 sites · same area |
| Bob Shetler Recreation Area | 67 sites · same area |
| Cottonwood Recreation Area | 9 sites · same area |
| Cherry Glen Picnic | 6 sites · same area |
Full directory facts and sibling campgrounds: Acorn Valley campground page · Saylorville Lake park page.
Watch it with itOpened
Proof, from our own scanners: 673 confirmed openings across 34 campgrounds since Oct 29, 2026 — each one re-verified before logging. See the live cancellation index.
Watch Acorn ValleyFree to start. We never book, hold, or resell — you book it yourself, in your own account, at the normal price. Fees pay for monitoring; openings are first-come and cannot be guaranteed.
Every figure in this article traces to one of the sources above. If a number isn't sourced, we don't print it.
Last updated 2026-10-30.