🌤 Weather at Argyle Lake State Park by season
| Spring | Summer | Fall | Winter |
|---|---|---|---|
| 29–72 °F | 61–85 °F | 30–77 °F | 15–37 °F |
Each range runs from the coldest monthly average low to the warmest monthly average high in that season (1991-2020 climate normals), measured at La Harpe, 16 mi away, elevation 690 ft. Conditions at the park can differ from the station, especially where elevation differs — check a forecast before you go.
🌲 Argyle Lake State Park — A 1,700-acre wooded Illinois state park near Colchester with a 93-acre lake, 5 miles of foot trails and campgrounds, about 7 miles from Macomb.
Argyle Lake State Park is in McDonough County, Illinois, with its address at 640 Argyle Park Road in Colchester. Illinois DNR describes the heavily wooded, 1,700-acre site as just 7 miles from Macomb. The park’s coordinates are 40.4333, -90.7333.
The centerpiece is a 93-acre lake for boating and fishing, surrounded by 5 miles of rugged foot trails. Argyle Hollow, now under the lake, was once part of the stage route between Galena and Beardstown.
The park is open year-round, so winter visits can mean ice skating, ice fishing, snowmobiling, cross-country skiing or sledding.
Visitor Information
| Detail | Information |
|---|---|
| Location | 640 Argyle Park Road, Colchester, IL 62326 (McDonough County) |
| Size | 1,700 acres, including a 93-acre lake (Illinois DNR) |
| Facilities | 10 picnic areas, three larger reservable shelters, playground, public boat launch and docks, visitor center, concession with restaurant, bait shop and rentals, shower building, disposal station |
| Camping | Twisted Oak (86 Class A sites), Big Oaks (24 Class B/E and 18 Class C sites), Twin Oaks (31 Class D primitive sites) and an equestrian campground |
| Entrance fee | Free |
| Phone | 309-776-3422 |
Things to Do
- Fish the lake, which Illinois DNR lists as stocked with bluegill, redear, channel catfish, largemouth bass, crappie, tiger muskie and rainbow trout.
- Boat on the lake; there is no horsepower limit, but a no wake speed limit is enforced. A public boat launch and docks are available, and canoe and boat rentals are offered.
- Hike the 5 miles of foot trails; most of the 12 trails are rated difficult to very difficult, while Blackberry and Pitch Pine are rated moderate.
- Look for beaver dams along Shore Trail and for some of the more than 200 bird species DNR says call the park home.
- Ride the rugged 7-mile equestrian trail and stay at the equestrian campground.
- Picnic at one of 10 shaded picnic areas with tables, grills and water.
- Stop at the visitor center for hands-on displays, including a track table, touch box and animal pelts.
- Eat at Shanty Shack II, a restaurant on the lake edge with a bait shop and boat rentals below; call 309-776-3500.
History
Illinois DNR says the region has been rich in coal, clay and limestone, and individuals commonly opened their own drift mines to add to their income. In 1948 the state bought the land from local farmers and homesteaders, built a dam to create the lake and dedicated the park.
Visitor Tips
- Reserve campsites and picnic shelters through ExploreMoreIL.
- The shower building in Twisted Oak Campground is open May 1 to October 31, according to Illinois DNR.
- Meet at the visitor center for all hikes and programs unless a program says otherwise.
- The park offers disabled hunting opportunities; proof of P2A status is required, and the park office can be reached at (309) 776-3422.
Frequently Asked Questions
Can I camp at Argyle Lake State Park?
Yes. Illinois DNR lists Twisted Oak with 86 Class A sites, Big Oaks with 24 Class B/E and 18 Class C sites, Twin Oaks with 31 primitive Class D sites, and an equestrian campground; reservations are accepted at ExploreMoreIL.
What fish are in Argyle Lake?
Illinois DNR lists bluegill, redear, channel catfish, largemouth bass, crappie, tiger muskie and rainbow trout, and ice fishing is possible because the park is open year-round.
Nearby Attractions
The closest parks and sites to Argyle Lake State Park on this site are Weinberg-King State Fish and Wildlife Area, Sanganois State Fish and Wildlife Area, Nauvoo State Park and Double T State Fish and Wildlife Area.
Keep exploring: The closest neighbors are Weinberg-King State Fish and Wildlife Area (within about an hour’s drive) and Sanganois State Fish and Wildlife Area (within about an hour’s drive).
🌲 Visit Argyle Lake State Park
Current status, alerts and directions from Illinois DNR.
Sources: Illinois Department of Natural Resources (IDNR) park pages; U.S. Census Bureau geocoder (county). As of October 2026.
🐾 Dogs & Pets at Argyle Lake State Park
- Pets allowed? statewide rule
- Pets are allowed in Illinois state parks and on trails as long as they are leashed at all times.
- Leash rule statewide rule
- Leash required at all times; state code caps leash length at 10 feet
- Beaches & swim areas statewide rule
- Pets are prohibited in areas posted 'NO PETS', reserved for beach areas, concession areas and crowded campground/picnic areas (e.g. no dogs on the beach at Illinois Beach State Park)
- Cabins & lodging statewide rule
- Pets are not allowed in campground cabins
- Statewide exceptions statewide rule
- Leash rule exceptions for hunting dogs, field trials and dog training areas; pets must not be left unattended
Are dogs allowed at Argyle Lake State Park?
Pets are allowed in Illinois state parks and on trails as long as they are leashed at all times. Individual parks can post stricter rules — check signage on arrival.
Rules verified July 2026 via dnr.illinois.gov. More: Illinois state parks guide · Dog rules in all 50 states compared
Park Map
Plan your gear for Argyle Lake State Park
From our editorial guides, matched to this park’s activities:
