Argyle Lake State Park

Argyle Lake State Park is an Illinois DNR state park in the Northwest region of Illinois. Camping site types: Class A (showers, electricity, vehicular access); Class B/E (electricity, vehicular access, no showers); Class C (vehicular access without showers, or walk-in with shower access); Class D (tent/primitive walk-in or backpack sites, no vehicular access); Equestrian camping. Also offers: Organized/adult group camping. Pets ARE allowed (leashed, with water, never left unattended or in a parked vehicle) - IDNR's general statewide practice, confirmed via Starved Rock State Park's own IDNR FAQ. Reservable online through Illinois DNR's own Explore More Illinois system (camp.exploremoreil.com, redirects to the live recreation.exploremoreil.com/IllinoisWeb/ booking platform). Advance booking requires at least 3 days' notice; most sites are reservable May 1-October 31 (some year-round - confirm per park).

Class A: $20/night ($30 holiday weekends) - showers, electricity, vehicular access. Class B/E: $18/night - electricity and vehicular access, no showers. Class C: $8/night - vehicular access without showers, or walk-in sites with shower access. Class D: $6/night - tent camping or primitive sites (walk-in or backpack), no vehicular access. Organized/adult group (Class O): $4/person/night, $40/day minimum. Equestrian camping available (specific class/rate varies by site). Reservation fee $5/reservation (non-refundable) plus first night's camping fee; camping fees refunded if cancelled online 3+ days before arrival. Discounts (about half the listed camping fee, full utility fee still applies) for Illinois residents 62+ or disabled with a Class 2/2A card; Illinois disabled veterans and POWs camp free aside from the utility fee; no entrance fee to any Illinois state park (dnr.illinois.gov).