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Map of Chatfield Reservoir
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Shore entry

Chatfield Reservoir

Colorado, United States
Open Water suggested3–21 m depthShore entry

Chatfield Reservoir at a glance

Chatfield Reservoir is a shore dive site in Colorado, United States with depths of 3–21.3 m (10–70 ft). Typically most favorable Dec · from 3 years of archive data. Divers commonly see Walleye, Smallmouth bass, and Black crappie. Check the latest conditions and entry details before you go.

Wind model · graded 14h ago
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Tap a factor for its source and model point

Site hazards: Poor visibility over soft silt (easy silt-out); heavy recreational boat traffic on the main lake; cold thermoclines; altitude (~5,400 ft).

Read the full hazards ↓

Dive windows this week

Best: Fri
Mon6:00–21:00
Tue6:00–21:00
Wed6:00–21:00
Thu6:00–21:00
Fri6:00–21:00
Sat7:00–21:00
Sun—

Favorable windowModerate window— no window

First light 5:25 · Sunrise 5:55 · Sunset 20:17

Source: Open-Meteo wind · graded 14h ago

Forecast only — always assess conditions on site.

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.

What Divers Say

Known for: Smallmouth bass, Crayfish
Best time: Late spring and early summer mornings before boat traffic and algae peak.

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. Jan97% 8 kn
  2. Feb98% 9 kn
  3. Mar86% 10 kn
  4. Apr84% 10 kn
  5. May85% 11 kn
  6. Jun88% 10 kn
  7. Jul89% 10 kn
  8. Aug91% 10 kn
  9. Sep93% 9 kn
  10. Oct92% 9 kn
  11. Nov98% 8 kn
  12. Dec98% 8 kn

December hastypically 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

  • WalleyeOccasionally seen
  • Smallmouth bassCommonly seen
  • Black crappieOccasionally seen
  • Channel catfishOccasionally seen
  • CrayfishCommonly seen

Fills & rentals nearby

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

Site details

A state-park reservoir southwest of Denver used regularly for scuba training, with a designated dive area featuring a sunken sailboat on its trailer, a fire hydrant and a toilet connected by rope lines. Old flooded gravel quarries in the 30-50 ft range dot the lake, which reaches about 70 feet at its deepest; the soft silt bottom usually keeps visibility under 5-15 feet. The main lake may be dived with a flag, but boat traffic is heavy in summer.

muckshore

Poor visibility over soft silt (easy silt-out); heavy recreational boat traffic on the main lake; cold thermoclines; altitude (~5,400 ft).

Reviews

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