Gray Quarry is a purpose-built freshwater dive site featuring a variety of submerged structures, including boats, planes, and fire trucks. The site offers depths ranging from 2 to 21 metres. A continuous aeration system maintains uniform water temperatures throughout the water column, eliminating thermoclines and supporting consistent visibility between 5 and 15 metres. Suitable for beginners, the site provides shore access and is well-equipped with facilities such as air fills, equipment rental, and a dive shop. Divers can expect to encounter typical temperate freshwater fish and aquatic vegetation common to this habitat. The site is also available for night diving, with typical dives lasting around 40 minutes.

South Holston Dam is a freshwater dive site located in Bristol, Tennessee, within the Cherokee National Forest. The reservoir features a maximum depth of 30 to 40 metres. Divers should note that water levels fluctuate significantly due to winter drawdowns, which can lower the pool by up to 12 metres. Access to the water is available via both shore and boat entries. Visibility at this site is variable, typically ranging between 1 and 6 metres. Due to the depth and potential for fluctuating conditions, this site is suited for advanced divers.