Army Corps of Engineers · South Carolina
Twin Lakes (Sc)
Army Corps of Engineers · South Carolina, United States
- Sites
- 100
- Hookups
- 100 electric, 100 with water
- Season
- Year-round
- Max RV length
- 62 ft
- Drinking water
- Yes
- Restrooms
- Yes
- Showers
- Yes
- Dump station
- Yes
- Pets
- Yes
- Elevation
- 692 ft
- Dark sky
- Bortle class 4
- Cell coverage
- T-Mobile weak · AT&T weak · Verizon weak (carriers' 4G LTE filings to the FCC, 2025-12; not measured here)
- Lake
- Hartwell Lake
- Phone
- 888-893-0678 (HARTWELL LAKE OFFICE)
- Activities
- Boating, Camping, Fishing, Swimming
100 numbered sites are mapped one by one - open the site map to pick yours.
About
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.
Weather, month by month
| Month | Typical high | Typical low | Coldest night | Hottest day | Years with a night below 32°F |
|---|---|---|---|---|---|
| January | 50° | 32° | 21° | 71° | 10 of 11 |
| February | 58° | 38° | 26° | 74° | 6 of 11 |
| March | 64° | 46° | 26° | 80° | 4 of 11 |
| April | 72° | 52° | 35° | 85° | 0 of 11 |
| May | 81° | 63° | 49° | 90° | 0 of 11 |
| June | 86° | 70° | 56° | 96° | 0 of 11 |
| July | 89° | 73° | 68° | 97° | 0 of 11 |
| August | 89° | 73° | 68° | 96° | 0 of 11 |
| September | 83° | 69° | 56° | 96° | 0 of 11 |
| October | 72° | 53° | 39° | 88° | 0 of 10 |
| November | 62° | 45° | 29° | 76° | 2 of 10 |
| December | 53° | 37° | 23° | 66° | 5 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
- Oconee Point · Army Corps of Engineers · 2 mi · 70 sites
- Coneross Park · Army Corps of Engineers · 3 mi · 106 sites
- South Cove County Park Campground · City, County & Regional Parks · 8 mi · 86 sites
- High Falls County Park Campground · City, County & Regional Parks · 13 mi · 91 sites
- Springfield · Army Corps of Engineers · 13 mi · 79 sites
All public campgrounds in South Carolina · Every state and province · Facts read from the operator 2026-02-25. Confirm fees, rules and current status with the operator before you go.