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Twin Lakes (Sc)

USACEU.S. Army Corps of Engineers — Pendlton · South Carolina · Hartwell Lake

AgencyUSACEU.S. Army Corps of Engineers
AreaHartwell Lake
LocationPendlton · South Carolina · Hartwell Lake · 34.62806, -82.86556 · Map
Sites100 public sites counted from the federal listing — 98 standard electric; 2 rv electric
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 100 of 100 sites (up to 50 amp where reported)
Water hookups at 100 of 100 sites
Sewer hookups at 4 of 100 sites
Full hookups (all three at one site) at 4 of 100 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 62 ft
Sites that fit at least — 25 ft: 93 sites · 30 ft: 79 sites · 35 ft: 57 sites · 40 ft: 36 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 3:00 PM · Out 2:00 PM (most common in the listing)
PetsAllowed at 100 sites, as reported
Accessible sites1 marked accessible in the listing
AccessibilityN
Phone888-893-0678 (HARTWELL LAKE OFFICE)

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

Twin Lakes Recreation Area is a 152-acre site consisting of a dense overstory of pines and mixed hardwoods. The site presently offers camping and a separate day use and boat launching area. Day use and camping facilities are separated to prevent user conflicts. The area is moderate to gently sloping with the northernmost campsites being located on the steepest terrain. Campgrounds facilities presently include a gatehouse/entrance, 2 Park Attendant campsites, 102 public campsites, 1 picnic shelter, 5 comfort stations with showers, 2 dump stations, 5 playgrounds, 1 designated swim area/beach, and associated paved roads and parking areas throughout. Day Use facilities presently include a new gatehouse/entrance installed in 2017, 1 volunteer host campsite, 27 picnic sites, 2 standard picnic shelters with water and electric service, 1 two lane boat ramp, 1 courtesy dock, 2 comfort stations, 1 playground, 2 designated swim areas/beaches, and associated paved roads and parking areas throughout. The campground experiences very high occupancy rates throughout the year and is Hartwell’s highest producer of camping revenue. Recreation Boating and water sports top the list of popular activities. A boat ramp is provided for easy lake access.

With multiple trails snaking throughout the shoreline area, hiking and biking are also popular pastimes. Facilities Campgrounds facilities presently include a gatehouse/entrance, 2 Park Attendant campsites, 102 public campsites, 1 picnic shelter, 5 comfort stations with showers, 2 dump stations, 5 playgrounds, 1 designated swim area/beach, and associated paved roads and parking areas throughout. Day Use facilities presently include a new gatehouse/entrance installed in 2017, 1 volunteer host campsite, 27 picnic sites, 2 standard picnic shelters with water and electric service, 1 two lane boat ramp, 1 courtesy dock, 2 comfort stations, 1 playground, 2 designated swim areas/beaches, and associated paved roads and parking areas throughout. The campground experiences very high occupancy rates throughout the year and is Hartwell’s highest producer of camping revenue. Natural Features

Hartwell Lake is a man-made lake bordering Georgia and South Carolina on the Savannah, Tugaloo and Seneca Rivers. The dam and lake area boasts 8 campgrounds and 11 day-use facilities that are operated by the US Army Corps of Engineers. The Hartwell Project was originally authorized for hydro-power, flood control, and navigation. Later, recreation, water quality, water supply and fish and wildlife management were added. Surrounding vegetation allows for plenty of shade, and the 962 miles of shoreline provide numerous swimming beaches, picnic areas and boat ramps. Nearby Attractions Twin Lakes is located just five miles from Clemson, South Carolina and Clemson University, offering additional tourism opportunities, along with grocery stores, gas stations and restaurants. Charges & Cancellations

- Once your reservation has been created, there will be a $10.00 fee to cancel and a $10.00 fee to change your site or dates. - Cancellations made the day before, or up to the day after your arrival date will also be charged the first night use fee. - Reserved campsites will be held until check out time ( 2 p.m.) on the day following your scheduled arrival date. If you do not arrive at campground by 2 p.m. to fulfill your reservation, your reservation will be cancelled and you will be assessed a $20 service fee and forfeit the first night use fee. - If your reservation is for one night and you have been charged the first nights use fee, there is no $10 service fee. Refunds: - To insure fairness for all Recreation.gov customers, any reservation with departure dates outside the 6 or 12 month maximum window cannot be changed or cancelled until 18 days after the reservation is made. - Refunds must be requested no later than 14 days after scheduled departure date. Refunds may be requested through NNRS Customer Service at 888-448-1474. Refunds for bank card payments will be issued as a credit to the original bank card. Cash and check purchases will be refunded by check and may take up to 8 weekds for approval and processing.

Directions, from the listing

Take Interstate 85 to exit 14 and merge onto Highway 187. After passing Clemson Research Center, turn left onto Fants Grove Road and follow directional signs to the park. 140 Winnebego Trail, Pendleton, SC 29670

Nearest federal campgrounds

USACEU.S. Army Corps of EngineersConeross Park
3 mi straight-line · Townville South Carolina
USACEU.S. Army Corps of EngineersSinging Pines
15 mi straight-line · Starr South Carolina
USACEU.S. Army Corps of EngineersCrescent
17 mi straight-line · Starr South Carolina
FSU.S. Forest ServiceCassidy Bridge Primitive Camp
22 mi straight-line · MOUNTAIN REST South Carolina
FSU.S. Forest ServiceCherry Hill Campground
25 mi straight-line · Mountain Rest South Carolina

Trip Card — Twin Lakes (Sc)

Pendlton · South Carolina · Hartwell Lake

AgencyUSACE · U.S. Army Corps of Engineers
LocationPendlton · South Carolina · Hartwell Lake
FeesNot reported in the federal data
Getting a siteReservable
HookupsElectric at 100 · full hookups at 4
Max RVUp to 62 ft
Months openNot in federal data
Sites100 sites

Book: recreation.gov/camping/campgrounds/232727 · 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.