WILSON FISHING FIELD GUIDE
Lewis Lake: Chase Trophy Trout in Yellowstone’s Quiet Southeastern Corner
A guided 4- or 6-hour float-fishing outing run by Teton South Fish and Float that targets trophy brown and lake trout on Lewis Lake, which opens for fishing on Memorial Day weekend — essential reading for anglers planning the trip.
Lewis Lake: Chase Trophy Trout in Yellowstone’s Quiet Southeastern Corner.
Located in the southeastern corner of Yellowstone National Park, Lewis Lake is a hidden gem for anglers pursuing trophy brown and lake trout. The lake opens for fishing on Memorial Day weekend (May 24th), and its remote setting and light pressure make for days when it can feel like you’re catching fish on every cast, all beneath expansive vistas and close to geothermal attractions such as Old Faithful.
Highlights
Outing Highlights
Trophy Brown and Lake Trout
Lewis Lake is known for trophy brown trout and trophy lake trout; the lake’s light fishing pressure increases the odds of hooking large fish after the Memorial Day weekend opening.
Memorial Day Weekend Opening
Fishing on Lewis Lake opens in late May on Memorial Day weekend (May 24th), making the early season a prime time when angling pressure is minimal and fish are active.
Remote Lake, Dramatic Yellowstone Scenery
Set in Yellowstone’s southeastern reaches, the lake sits among dense forests and wide vistas and is close enough to geothermal landmarks like Old Faithful to pair fishing with classic park scenery.
What the day feels like
What the float trip feels like
This is a boat-based float-fishing outing on Lewis Lake led by Teton South Fish and Float, where anglers spend concentrated 4- or 6-hour blocks on the water after the lake opens for the season. The experience emphasizes close, calm fishing in a remote setting with the chance to target trophy brown and lake trout amid the larger geological theater of Yellowstone.
Suitability
Who it's for
Who this float trip suits — and who should adjust expectations.
Practical planner
Details to review before reserving
Lewis Lake opens for fishing on Memorial Day weekend (May 24th). Trips are offered as 4- or 6-hour sessions.
Coordinate meeting details with the operator before arrival (see contact below); plan on standard fishing gear and park-appropriate clothing. (Contact the operator to confirm specifics.)
Anglers are advised to meet at the Lewis Lake Boat Ramp to avoid a $20 per-person commercial entry fee into Yellowstone. If guests choose to ride with the guide, they will be subject to a $20 entry fee per person. For coordination contact: 307-413-7177 or [email protected].
Review cancellation policies before reserving.
Frequently asked questions
Planning Your Outing
When does Lewis Lake open for fishing?
Fishing on Lewis Lake opens in late May on Memorial Day weekend (May 24th).
How long are the float trips?
Trips are offered in 4- or 6-hour durations.
Where should I meet my guide?
Anglers are advised to meet at the Lewis Lake Boat Ramp; contact the operator to coordinate pickup or meeting details at 307-413-7177 or [email protected].
Are there extra park fees?
Meeting at the Lewis Lake Boat Ramp avoids a $20 per-person commercial entry fee; if guests ride with the guide they will be subject to a $20 entry fee per person.
What species can I expect to fish for?
Lewis Lake is home to trophy brown trout and trophy lake trout, and the lake’s light pressure often produces frequent catches.
Who operates the float trips?
The trips are operated by Teton South Fish and Float.