Twin Lakes State Park
- Status
- Status not postedOpen 24 hours
- Entrance fee
- Not posted
- Day-use reservations
- None mentioned
- Dogs
- Statewide rule — see below
- Camping
- None listed
- Official site
- iowadnr.gov(712) 657-8712
Official page last checked Oct 29, 2026. How we keep this current
Overview
Twin Lakes State Park is a 19-acre park in Calhoun County, about 6 miles southwest of Manson.
The park supports historic sites, boating, swimming, biking, and hiking. Water access includes a swimming beach and a boat ramp.
Hours
Park, gate, office and facility hours are listed separately because they often differ. Alerts above override normal hours.
| Facility | Days | Hours | Season |
|---|---|---|---|
| Park | Open 24 hours | ||
Official wording
Fish for bluegill, crappie and walleye in the large natural lake. Two state boat ramps on the south shore of the lake provide access, and the main area on North Twin Lake is open for fishing 24 hours a day.
Source: official park page, checked Oct 29, 2026. Times are local to the park (America/Chicago).
Pets
Privately owned animals must be on a leash of max six feet or confined; pets may not be left unattended in campgrounds; most cabins/yurts are pet-free.
Statewide rule from Iowa's park system (source). This park’s page doesn’t state its own pet rules, so check for local restrictions.
Reservations
- Day use
- No day-use reservation requirement mentioned
- Booking system
- Iowa State Parks reservation system (ReserveAmerica)
- Phone
- 1-877-427-2757
We link to the official booking system rather than showing live availability, which changes minute to minute.
Things to do
Historic sites and toursBoatingSwimmingHikingBiking
Trails
Bike on the new seven mile multi-purpose paved trail that encircles North Twin Lakes with an access point to the main east area of Twin Lakes State Park.
Swimming
Play at the modern playground on the lake’s west shore park area, which also features a swimming beach. Visitors can also enjoy a larger beach on the east shore.
Boating, paddling and fishing
Fish for bluegill, crappie and walleye in the large natural lake. Two state boat ramps on the south shore of the lake provide access, and the main area on North Twin Lake is open for fishing 24 hours a day.
A state fishing license is usually required.
Amenities
Facilities
- Restrooms
- Flush toilets
- Playground
Water
- Swimming beach
- Boat ramp
✓ listed by the park · ✕ the park says it is not available. Anything not shown here isn’t mentioned by the official source — that means unknown, not unavailable.
Getting there
- Address
- 6685 Twin Lakes Road
Rockwell City, IA 50579 - Nearest town
- Manson — about 6 mi southwest (straight line)
- Coordinates
- 42.4811, -94.6295
- Phone
- (712) 657-8712
Nearby state parks
Sources and freshness
- Iowa State Parks — park page — last checked Oct 29, 2026
- Iowa DNR 'All Parks' directory (Drupal view, ?page=0..3) — state parks, recreation areas, a state preserve and state forests
- USGS PAD-US 4.1 (boundary and acreage)
“Last checked” is when our system last read the official source. No change has been detected since this page was first published. Hours, fees and rules can change without notice — confirm with the park before you go. Methodology