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Satellite view of Dennison Reservoir

Dennison Reservoir

Reservoir

Great conditions today

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Weather at Dennison Reservoir

H: 85° L: 58°
Sunny
Sunny
85°
|
Feels like 74°
Precipitation
2%
Humidity
17%
Wind
14 mph
UV Index
7.4
Water Conditions:
🏊Perfect for swimming🧴High UV - use sunscreen
12 AM
Clear
68°
3 AM
Clear
62°
6 AM
Clear
58°
9 AM
Sunny
69°
12 PM
Sunny
83°
3 PM
Sunny
79°
6 PM
Overcast
81°
9 PM
Clear
73°

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Frequently asked questions

Where is Dennison Reservoir?
Dennison Reservoir is a reservoir in Oregon.
Can you swim at Dennison Reservoir?
There is no fixed answer for Dennison Reservoir: whether it is safe to swim there on a given day depends on the water temperature, recent rainfall, and any advisories posted at Dennison Reservoir in Oregon. Check current water conditions before you go, and follow posted signs and local guidance.

Visitor Reviews

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Been here? A quick note helps the next visitor plan their day. Handy things to mention:

Water temperatureCrowds & parkingBest time to goSafety & access

Best Times to Visit

☀️
Right Now
Very warm - visit early morning or evening
🏞️ Lakes Tips:
  • Check for boat launch facilities and fees
  • Obtain required fishing licenses before arrival
  • Be aware of lake-specific regulations and restrictions
  • Monitor water quality reports before swimming
Best Seasons:
☀️ Summer (Jun-Aug)🍂 Fall (Sep-Nov)🌸 Spring (Mar-May)

Location & Contact

Oregon

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