City, County & Regional Parks · Iowa

Marion County Park

City, County & Regional Parks · Iowa, United States

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Sites
99
Hookups
99 electric, 99 with water
Cost
50-amp electric/water: $25/night. 50-amp electric/water/sewer: $30/night.
Drinking water
Yes
Restrooms
Yes
Showers
Yes
Dump station
Yes
Pets
Yes
Elevation
820 ft
Dark sky
Bortle class 4
Nearest town
Knoxville
Address
306 Willetts Drive, Knoxville, IA 50138
Phone
641-205-3814

About

Marion County Conservation 140-acre recreation area with rolling hills, a 99-site campground, a 7-acre fishing lake, historical village, covered bridge, playground, and sports courts. 50-amp electric/water sites and 50-amp electric/water/sewer sites. Modern shower building with flush restrooms, water fill hydrant stations, dump station, on-site campground host. Open 6am-10:30pm daily. Pet friendly.

Weather, month by month

MonthTypical highTypical lowColdest nightHottest dayYears with a night below 32°F
January30°11°-23°56°11 of 11
February37°19°-18°67°11 of 11
March51°32°9°77°10 of 11
April63°42°23°83°5 of 11
May73°56°40°89°0 of 11
June86°65°50°97°0 of 11
July86°69°58°97°0 of 11
August83°67°57°92°0 of 11
September81°62°49°96°0 of 11
October66°46°27°84°2 of 10
November51°34°6°73°6 of 10
December38°25°-11°71°10 of 10

Mid-month figures from 2016–2026 of daily weather at this spot (ERA5 reanalysis via Open-Meteo, CC BY 4.0), in °F. Typical is the median; coldest and hottest are the extremes seen.

Nearby campgrounds

All public campgrounds in Iowa · Every state and province · Facts read from the operator 2026-08-29. Confirm fees, rules and current status with the operator before you go.