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Map of Dierkes Lake
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Shore entry

Dierkes Lake

Idaho, United StatesDirections
Open Water suggested2–8 m (7–25 ft) depthShore entry

Dierkes Lake at a glance

Dierkes Lake is a shore dive site in Idaho, United States with depths of 2–7.6 m (7–25 ft). Typically most favorable Sep · from 3 years of archive data. Divers commonly see Crayfish, Bluegill / sunfish, and Largemouth bass. Check the latest conditions and entry details before you go.

Favorable window now· until 19:00 · sunset 18:40

Wind forecast for this hour · 12:00 · run 13 h ago
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Tap a factor for its source and model point

Site hazards: Limited visibility; recreational swimmers and rock jumpers in summer; altitude diving considerations.

Read the full hazards ↓

Dive windows this week

Sun9:00–19:00 favorable

7 kn wind (7 kn wind)

Mon9:00–19:00 favorable

5 kn wind (5 kn wind)

Tue9:00–19:00 favorable

8 kn wind (8 kn wind)

Wed9:00–19:00 favorable

4 kn wind (4 kn wind)

Thu9:00–19:00 favorable

4 kn wind (4 kn wind)

Fri9:00–19:00 favorable

3 kn wind (3 kn wind)

SatNot in the forecast yet

Favorable windowModerate window— no window

Every forecast dive window each day, site-local time, from wind forecasts. Numbers under each bar are daylight averages.

First light 7:34 · Sunrise 8:03 · Sunset 18:40 · some windows run past sunset

Source: Open-Meteo wind · updated 24 Oct, 23:22 GMT-6

Forecast only — always assess conditions on site.

Compare this weekend’s windows near Dierkes Lake

Recent diver reports

Dated firsthand observations from divers — not current conditions.

No diver reports for this site yet. — one dated observation helps every diver after you.

Dived here today — did the forecast match?

What Divers Say

Known for: Crayfish, Bluegill / sunfish, Largemouth bass
Best time: Late spring through early fall.

Based on community reviews and site data. Conditions vary — always verify before diving.

Best months, historically

What conditions have historically been typical at this site, month by month — not a forecast.

  1. January, 75% of days have historically been favorable, wind has typically been 11 knots
  2. February, 66% of days have historically been favorable, wind has typically been 12 knots
  3. March, 47% of days have historically been favorable, wind has typically been 14 knots
  4. April, 50% of days have historically been favorable, wind has typically been 14 knots
  5. May, 60% of days have historically been favorable, wind has typically been 13 knots
  6. June, 73% of days have historically been favorable, wind has typically been 12 knots
  7. July, 66% of days have historically been favorable, wind has typically been 13 knots
  8. August, 72% of days have historically been favorable, wind has typically been 12 knots
  9. September, 82% of days have historically been favorable, wind has typically been 11 knots, historically most favorable
  10. October, 78% of days have historically been favorable, wind has typically been 11 knots
  11. November, 76% of days have historically been favorable, wind has typically been 10 knots
  12. December, 75% of days have historically been favorable, wind has typically been 10 knots

September has typically had the largest share of favorable days here. Conditions vary year to year — this is historical context, not a forecast.

Based on 3 years of archive data. Bar height shows the share of days each month whose conditions have historically scored favorably.

Marine life seen at this site

Species noted at this site — not a promise of what you’ll encounter.

Species seen here

Rough labels: “Commonly seen” usually means two or more recorded sightings near this site in public dive logs (GBIF), “Occasionally seen” one; “Seasonal” and “Rarely seen” come from dive-guide research. Not a measured rate.

Fills & rentals nearby

No dive shops mapped within 25 km (16 mi). Know one? Add it to the map.

Data updated July 2026

Site details

A small spring-fed lake of about 5 acres adjacent to Shoshone Falls Park near Twin Falls, widely used by southern Idaho dive shops for open-water training. The lake has an average depth around 21 to 25 feet with submerged platforms and obstacles set up for instruction. Visibility typically runs 5 to 15 feet, and the easy shore access makes it one of the most dive-friendly spots in the state.

shore

Limited visibility; recreational swimmers and rock jumpers in summer; altitude diving considerations.

Reviews

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