City, County & Regional Parks · Tennessee
Observation Knob Park Campground
City, County & Regional Parks · Tennessee, United States
- Sites
- 232
- Season
- April 1 to October 31
- Drinking water
- Yes
- Restrooms
- Yes
- Elevation
- 1,663 ft
- Dark sky
- Bortle class 4
- Nearest town
- Bristol
About
Sullivan County campground on South Holston Lake with 232 numbered sites across loops A through L plus a tent loop, and additional unnumbered overflow/dispersed capacity in peak season. Drinking water, restrooms and two dump stations. 88 of the sites are let seasonally. The county has run the park since 1975; the land is TVA-associated but the operation is the county's. Season runs April 1 to October 31. Reservable sites book online; overflow is first come.
Fees
30-amp RV $39/night, 50-amp $45, buddy site $75, tent with water/electric $25, primitive $20, peak overflow $20. Selected sites $175/week or $525/month.
Weather, month by month
| Month | Typical high | Typical low | Coldest night | Hottest day | Years with a night below 32°F |
|---|---|---|---|---|---|
| January | 42° | 27° | -1° | 64° | 10 of 11 |
| February | 50° | 32° | 13° | 70° | 10 of 11 |
| March | 61° | 39° | 15° | 75° | 7 of 11 |
| April | 69° | 46° | 28° | 80° | 3 of 11 |
| May | 76° | 58° | 40° | 89° | 0 of 11 |
| June | 81° | 63° | 50° | 91° | 0 of 11 |
| July | 85° | 68° | 60° | 91° | 0 of 11 |
| August | 83° | 68° | 57° | 91° | 0 of 11 |
| September | 80° | 63° | 51° | 91° | 0 of 11 |
| October | 67° | 47° | 34° | 82° | 0 of 10 |
| November | 57° | 37° | 21° | 73° | 5 of 10 |
| December | 48° | 32° | 8° | 66° | 9 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
- Jacobs Creek Campground (TN) · USDA Forest Service · 2 mi · 29 sites
- Little Oak Campground · USDA Forest Service · 4 mi · 66 sites
- Sugar Hollow Campground · City, County & Regional Parks · 6 mi · 75 sites
- Low Gap Camp · USDA Forest Service · 10 mi
- Washington County Park Campground · City, County & Regional Parks · 10 mi
All public campgrounds in Tennessee · Every state and province · Facts read from the operator 2026-09-01. Confirm fees, rules and current status with the operator before you go.