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Flaming Gorge Reservoir

Wyoming · Reservoir impounded 1964 · near Green River

42,020 acres 436 ft deep 25 ft clarity Water B
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6.6SCORE
Survey summary · Wyoming
42,020
Surface acres
436 ft
Max depth
360 mi
Shoreline
25 ft
Typical clarity
6,040 ft
Elevation

Flaming Gorge Reservoir covers 42,020 acres in Wyoming and drops to 436 feet at its deepest point. It is a reservoir impounded in 1964 and managed by Bureau of Reclamation. Water level is the thing to understand here: the pool can move roughly 25 feet, typically drawn down in autumn. That changes dock function, boat access, and what the shoreline looks like in listing photos versus in person. Water clarity averages around 25 feet, placing it among the clearer bodies of water in the country. Short-term rental posture: Sweetwater/Daggett County. Confirm at the municipal level before underwriting rental income.

What stands out

  • Exceptional clarity, roughly 25 ft
  • Deep water — 436 ft max
  • Large open water, 42,020 acres
  • Fishing
  • Boating

Watch outs

  • Seasonal drawdown near 25 ft — verify dock reach at low pool

Score breakdown

WATER RECREATION VALUE ACCESS INVESTMENT
Water 7.7
Recreation 7.2
Value 3.5
Access 6.5
Investment 7.6

Each axis is computed by published formula from this lake's own attributes. How we score.

Water quality grade
Water A
ExcellentClear, low-nutrient water. Typically oligotrophic with high clarity and little seasonal algae.
Water B
GoodHealthy water with moderate clarity. Some seasonal variation, no persistent problems.
Water C
FairProductive water — good fishing, reduced clarity. Algae possible in late summer.
Water D
PoorNutrient-rich or heavily drawn down. Swimmable conditions vary; check before you rely on them.

Computed from measured clarity, trophic state, and drawdown magnitude — not an opinion. See the formula.

Overall score, 1–10
8.0+
ExceptionalStrong on every axis we measure.
7.0–7.9
StrongClearly above average, usually with one standout axis.
6.0–6.9
SolidA good lake with a trade-off worth understanding.
5.0–5.9
MixedReal strengths and real compromises.
Under 5
CompromisedSomething material — volatility, water quality, or access.

Weighted: water 26% · recreation 22% · investment 20% · value 18% · access 14%.

Fishery

Lake troutKokaneeRainbow troutSmallmouth bass

On the water

FishingBoatingRaftingCamping
No USGS gauge on this lake. Water level and clarity figures below come from published lake management data rather than a live sensor.

What the drawdown looks like

Full pool vs autumn low · Flaming Gorge Reservoir
25 ft FULL POOL AUTUMN LOW

The dock sits at full-pool elevation. At low pool the waterline retreats and the reach to navigable water changes. Scale is illustrative; the 25 ft figure is from published operations for this lake.

Where it is

True shoreline from USGS NHD 157 km²

The outline is this lake's actual boundary from the USGS National Hydrography Dataset, not an approximation — 524 boundary points. Basemap is USGS topographic with contours and hydrography. Switch layers at the top right.

Depth profile

SURFACE 436 ft max avg 140 ft

Idealized cross-section. Max depth 436 ft, average 140 ft. Depth at a specific dock depends on local bathymetry — verify at the property.

Level behaviour

Level stabilityManaged Typical drawdown25 ft Drawdown seasonAutumn Trophic stateOligotrophic Typical clarity25 ft Water quality gradeB Elevation6,040 ft Managing authorityBureau of Reclamation
This lake moves. A drawdown near 25 feet changes dock reach, boat access, and the look of the shoreline. Tour in the low season, or at minimum look at the gauge history above before you offer.

Dock & shoreline

Permitting authorityUSFS Ashley NF Wake / speed rulesOpen water
A dock is never guaranteed. Confirm in writing with USFS Ashley NF that the specific parcel is eligible before you remove contingencies.

Short-term rental posture

Sweetwater/Daggett County

Generally permitted, but rules change. Confirm the specific municipality and any HOA covenant.
Model rental income →
Modeled estimates. Market figures are derived from lake attributes and regional patterns, not from MLS data. Treat them as a starting point, not a comp.
$950,000
Median waterfront
$6,963
Per shoreline foot
+9.1%
Year over year
222
Est. inventory
87
Avg days on market
$428
Est. nightly rate

Rental snapshot

Modeled occupancy48% Booked nights / yr126 Gross revenue$61,282 Net operating income$28,855 Yield on median price3.04%
Open the full model →

What a median-priced home on Flaming Gorge Reservoir actually costs to carry, with waterfront-specific line items most calculators omit.

$7,621
All-in per month
$216,050
Cash to close + setup
$17,418
Beyond P&I, tax, insurance
Where the annual cost goes
$91,447 PER YEAR
Principal & interest $60,064 (67%) Maintenance reserve (1.1%) $10,450 (12%) Property taxes $9,975 (11%) Hazard insurance $3,990 (4%) Utilities $2,700 (3%) Shoreline / seawall reserve $960 (1%) Dock maintenance $900 (1%) Flood insurance $878 (1%)

Annual carry

Principal & interest$60,064
Property taxes$9,975
Hazard insurance$3,990
Flood insurance$878
Utilities$2,700
Maintenance reserve (1.1%)$10,450
Septic service$520
Well & water testing$260
Dock maintenance$900
Winterization / seasonal close$750
Shoreline / seawall reserve$960
Total$91,447
Model your own numbers →
4.0 / 5 from 3 reviews
Good value compared to nearby lakes
Steve & Kate P. · Summer 2025
4/5

Prices here are meaningfully lower than the lake an hour north for water that is nearly as clear. Fewer restaurants and services, which is the tradeoff.

Depends heavily on your cove
D. Okonkwo · Owner on the lake · Summer 2025
3/5

Main channel is fantastic. Some of the back coves get shallow and mucky by late summer. Walk the actual shoreline before you commit, not just the listing photos.

The fishing is the reason we stayed
Danielle S. · Owner on the lake · Fall 2025
5/5

Smallmouth and walleye both fish well. Water clarity has held up over the fifteen years we have been here, which I credit to the watershed protections.

For sale

Homes on Flaming Gorge Reservoir

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