Where is Boulder Reservoir?

Boulder Reservoir is a reservoir in Boulder, Colorado.

How is Boulder Reservoir rated?

Boulder Reservoir in Boulder, Colorado has an average visitor rating of 4.1 out of 5, based on 424 reviews.

Updated August 8, 2025

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Photo: Boulder Reservoir Regional Park by Jeffrey Beall (CC BY 4.0) License

Boulder Reservoir

Reservoir · Boulder, Colorado

4.1(424 reviews)

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Cool todayPicnic tablesPublic restroomVolleyball courtWheelchair accessible entrance

Peaceful manmade lake with a mountain backdrop, popular for kayaking, swimming & waterside hikes.

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Weather at Boulder Reservoir

45°F, Clear · H 70° / L 44° · 2% chance of rain3-day forecast

H: 70° L: 44°

Clear

45°

Feels like 42°

Precipitation

Humidity

61%

Wind

6 mph

UV Index

12 AM

47°

3 AM

45°

6 AM

44°

9 AM

59°

12 PM

68°

3 PM

70°

6 PM

58°

9 PM

52°

Frequently asked questions

Where is Boulder Reservoir?: Boulder Reservoir is a reservoir in Boulder, Colorado.
Can you swim at Boulder Reservoir?: There is no fixed answer for Boulder Reservoir: whether it is safe to swim there on a given day depends on the water temperature, recent rainfall, and any advisories posted at Boulder Reservoir in Boulder, Colorado. Check current water conditions before you go, and follow posted signs and local guidance.
How is Boulder Reservoir rated?: Boulder Reservoir in Boulder, Colorado has an average visitor rating of 4.1 out of 5, based on 424 reviews.

Pack smarter for Boulder Reservoir

Location & Contact

5565 N 51st St 5275 Reservoir Rd, 5100 51st St, Boulder, CO 80301

Boulder, Colorado 80301

Phone

+1 303-441-3461

Visit Website

Get Directions

🏞️ Best times & visiting 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

Features & amenities

Highlights

⭐ Picnics

Accessibility

♿ Wheelchair accessible entrance♿ Wheelchair accessible parking lot♿ Wheelchair accessible restroom

Amenities

🧺 Picnic tables🚻 Public restroom🏐 Volleyball court

Family & Children

👶 Good for kids👶 Good for kids birthday👶 Kid-friendly activities👶 Kid-friendly hikes👶 Playground

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