Hiwassee River
Insights
The Hiwassee below the Apalachia Powerhouse is one of the South's big scenic tailwaters — wide, boulder-strewn pocket water running through a wooded gorge inside the Cherokee National Forest near Reliance. What sets it apart is a plumbing quirk: Apalachia Dam doesn't dump into its own riverbed. It runs the whole flow through an 11-mile mountain tunnel to the Apalachia Powerhouse downstream, and the trout water starts there, at Big Bend. So the flow that governs your day isn't a dam gate — it's how many generators are spinning at the powerhouse, which is what the TVA release reading tells you. Cold, stable tailrace temperatures keep the river fishing year-round over stocked rainbows in the 10-12 inch class and wild and holdover browns that push well past that for anyone willing to throw streamers or hunt the Isonychia window. The bug life is the draw — locals call it the most diverse of any Tennessee tailwater, and it's genuine dry-fly country by reputation.
You read this river by the generation schedule. At base flow — no generators, roughly 100-150 CFS — it's a broad, forgiving wade; you can cross in a lot of places and pick apart the pockets, shoals, and seams with dries and light nymph rigs. Bring one generator online (~1,200-1,500 CFS) and it jumps to pushy drift-boat water and gets unsafe to wade in most spots; two generators (~3,000 CFS) is a full float flow. The pulse takes about 2.5-3 hours to travel from the powerhouse down to Reliance, so on a rising day you can chase the low water downstream and buy yourself extra wading time. The Hiwassee also runs the most dependable schedule of any TVA trout tailwater: the classic summer pattern (Memorial Day to Labor Day) is roughly one generator around 10 a.m., a second at 11, held until at least 7 p.m., while spring lake-refill often runs a pulse schedule (one generator on for an hour, off for three) that opens wading almost anywhere. Check it before you commit — TVA lake info at 1-800-238-2264, option 22 for Apalachia.
The signature events are the spring grannom caddis blizzards and the May-into-summer sulphur show — the two hatches people plan trips around — with big swimming Isonychia nymphs, fished like minnows, drawing browns through the summer, and October caddis and small winter BWOs and midges keeping the year-round dry-fly reputation honest. The powerhouse-to-Reliance float (about six miles, a full day) is one of the more popular drift-boat trips in the region. The downside is baked into the name tailwater: a wading plan can evaporate when the generators come on, and summer weekends bring recreational tubers and paddlers on top of the anglers. Reliance itself is barely a wide spot in the road — one country store/fly shop, a couple of outfitters — with Cleveland the nearest real town and Chattanooga about 90 minutes out.
Species
- Rainbow Trout
- Brown Trout
- Striped Bass
- Walleye
| Species | Abundance | Best Season | Size | Notes |
|---|---|---|---|---|
| Rainbow Trout | Primary | Year-round; spring | 10-12" | TWRA stocks the tailwater and rainbows are the backbone of the fishery, mostly in the 10-12 inch class. The delayed-harvest management on the upper reach improves carryover, so better 12-16 inch fish hold through the catch-and-release months. Come to dries in the caddis and sulphur windows, and to light nymph rigs the rest of the year. |
| Brown Trout | Secondary | Fall; winter streamer | 12-20"+ | Wild and holdover browns, with some genuinely large fish for anyone willing to work for them. Targeted on streamers, big Isonychia nymphs swung and stripped like minnows, and October caddis. Fall is the window as pre-spawn fish move and feed harder. Only 2 browns of the 7-trout creel may be kept in the regular season. |
| Striped Bass | Seasonal | Mid-Jun-Sep | 15-20 lb (to 30 lb) | A summer run pushes up from Chickamauga into the lower, warmer reaches. This is 8-weight big-game work on heavy gear, not trout fishing, but it's a real seasonal fishery for anglers who want to swing big flies for fish that can top 20 pounds. |
| Walleye | Occasional | Late winter-spring | — | Present and part of what local shops mean by the river's diverse fishery, most active late winter into spring. Not a fly-rod mainstay, but a bonus fish. |
Sections
Lower — U.S. 411 Bridge to Patty Bridge
FloatRainbow Trout
Middle — Reliance to U.S. 411 Bridge
Wade & FloatBrown Trout
Upper — Apalachia Powerhouse to Reliance (Big Bend)
Wade & FloatBrown Trout · Rainbow Trout
Regulations
The upper Hiwassee is managed as a Delayed-Harvest tailwater. From the Apalachia Powerhouse down to the L&N Railroad Bridge at Reliance, the river fishes catch-and-release, artificial lures only, from October 1 through the last day of February; the regular season runs March 1 through September 30 with a 7-trout daily creel, only 2 of which may be brown trout. A Tennessee fishing license plus a trout stamp are required.
Access & Logistics
Getting There
Reliance, TN