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Oak Grove Picnic Area

USACEU.S. Army Corps of Engineers — Johnston · Iowa · Saylorville Lake

AgencyUSACEU.S. Army Corps of Engineers
AreaSaylorville Lake
LocationJohnston · Iowa · Saylorville Lake · 41.73889, -93.68472 · Map
Sites2 public sites counted from the federal listing — 2 group picnic area
Getting a siteReservable — the federal listing marks this campground as taking reservations. Some sites or seasons may still be first-come; the listing’s own words are below.
HookupsElectric at 0 of 2 sites
Water hookups at 2 of 2 sites
Sewer hookups at 0 of 2 sites
Full hookups (all three at one site) at 0 of 2 sites
Counted site by site from affirmative reports in the federal record. A site with no report is not counted either way.
Max RV lengthLongest reported site fits 20 ft
Sites that fit at least — 25 ft: 0 sites · 30 ft: 0 sites · 35 ft: 0 sites · 40 ft: 0 sites
Months openNot in federal data — the federal listing does not publish a season for this campground. Check the official description below or Recreation.gov.
FeesNot reported — the federal listing carries no fee description for this campground.
Check-in / outIn 7:00 AM · Out 9:00 PM (most common in the listing)
PetsAllowed at 2 sites, as reported
Accessible sites2 marked accessible in the listing
AccessibilityN
Amenities, as reportedFlush toilets
Phone515-276-4656

Check availability & book on Recreation.gov →

This site takes no reservations and shows no live availability. Source: Recreation.gov (RIDB export pulled November 5, 2026); this listing was last updated in the federal record on 2026-02-25.

From the official listing

Overview Oak Grove Picnic Area is a day-use facility 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 boating, swimming, fishing, hiking and hunting. Recreation Visitors come to Saylorville Lake for its great boating, sailing, water skiing, windsurfing and swimming opportunities. Anglers fish for 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 This day-use area offers two group picnic shelters with electric and water hookups. Amenities include flush toilets, a playground, volleyball court and hiking trails. Natural Features Oak Grove lies among a heavily wooded forest of stately oak trees on the east side of the lake. A large beach is within walking distance.

Wildlife is abundant throughout the project. White-tailed deer, turkeys, pheasants, waterfowl, and other small game animals roam the lands around the lake.

Directions, from the listing

Physical Address: 4801 NW 98th Ave, Polk City, IA 50226

From Ankeny, travel 3.4 miles west on 1st Street. Turn right onto HWY 415 for 0.9 miles, then left onto NW 44th street, which turns slightly right and becomes NW 98th Ave. Picnic area is on the right.

Nearest federal campgrounds

USACEU.S. Army Corps of EngineersCherry Glen Picnic
1 mi straight-line · JOHNSTON Iowa
USACEU.S. Army Corps of EngineersCherry Glen Campground
1 mi straight-line · JOHNSTON Iowa
USACEU.S. Army Corps of EngineersPrairie Flower Recreation Area
1 mi straight-line · JOHNSTON Iowa
USACEU.S. Army Corps of EngineersSandpiper Recreation Area
2 mi straight-line · Johnston Iowa
USACEU.S. Army Corps of EngineersWalnut Ridge Recreation Area
2 mi straight-line · Johnston Iowa

Trip Card — Oak Grove Picnic Area

Johnston · Iowa · Saylorville Lake

AgencyUSACE · U.S. Army Corps of Engineers
LocationJohnston · Iowa · Saylorville Lake
FeesNot reported in the federal data
Getting a siteReservable
HookupsNo electric reported
Max RVUp to 20 ft
Months openNot in federal data
Sites2 sites

Book: recreation.gov/camping/campgrounds/234698 · Source: Recreation.gov, pulled November 5, 2026. Facility details come from federal recreation data and may be out of date — this site takes no reservations and shows no live availability; confirm details and book through Recreation.gov or the managing agency.