0
Pull-thru
USACESaylorville Lake · Iowa
Acorn Valley
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.
Sites9183 reservable
Elev.945ft
Comf.Apr-Oct7 months
Max rig82 ft
Electric3029×50-amp
From Des Moines0h26real road time
The honest read
Synthesized from
RIDB · Open-Meteo
OSM · OSRM
Updated 2026-05-27
RIDB · Open-Meteo
OSM · OSRM
Updated 2026-05-27
At 945 ft, Acorn Valley has a 7-month comfortable window (Apr-Oct). Winter nights average around 14°F, so the shoulder seasons turn cold fast. 91 sites total: 83 reservable and 8 first-come, first-served. Of the sites, 1 walk-in, 29 with 50-amp, and the longest takes a 82-ft rig. Within about 4 miles: 4 named hiking routes, lake or river access.
The campground at a glance
01 · CHARACTER
Reads strongest on reservability and shade. Softest on roomy sites.
Six axes, each scored relative to every other federal campground in the region: quiet (miles to a major road), cool (elevation), roomy (average site spacing), shade, RV-fit (longest rig), and how reservable it is. All six come from data, nothing hand-tuned.
When to go
02 · CLIMATE
avg highavg lowfrost-freedriest · Feb
Apr-Oct
Comfortable window: nights stay above 35°F, days below 90°F.
73%
Of summer weekend-days are dry.
Apr 23
Last spring frost; first fall frost Oct 25.
68°F
Average July low.
Getting there
03 · ACCESS
01
Des Moines
13 mi
0h26
02
Cedar Rapids
134 mi
2h33
By drive time
Routed road time (OSRM). Nearest major highway 1.5 mi away.
Picking your site
04 · 91 SITES
Color byShow only
90 mapped sites · dot color = seclusion · click a dot for details. Basemap © OpenStreetMap.
1
Walk-in
29
50-amp
2
Accessible
0
Prime
91
Sites
★ The standout
Site 098
ACORN VALLEY .
To neighbor
150 ft
Type
Standard
What's within four miles
05 · TRAILS · PEAKS · WATER
Trails & Peaks
Named hiking routes
4
Trail segments
1812
Viewpoints
1
Water & Access
Lake / river access
yes
To nearest major road
1.5 mi
Method
We synthesize public data layers: RIDB and Recreation.gov facility and site records, Open-Meteo climate normals, OpenStreetMap roads, trails, and water, OSRM drive times, and USGS elevation. We take no bookings, no ads, and no paid placements. Independence is the entire point.