Updated

Otter Brook Lake
Reservoir · Keene, New Hampshire
Live flow only — judge the water in person
Use cautionLive flow only — judge the water in person: live streamflow is available but no water-temperature sensor is nearby.
- Streamflow 21 ft³/s
- Gage height 65.55 ft
Live, provisional data from USGS gauge ASHUELOT RIVER ABOVE THE BRANCH, AT KEENE, NH (3.7 mi away), as of Oct 20, 2:30 AM gauge-local time.
Why, sources & official advisories
- Live streamflow is available but no water-temperature sensor is nearby. — USGS gauge 01158110, as of Oct 20, 2:30 AM gauge-local time
- Flow is below the 25th percentile for Oct 20 (median 101 ft³/s over 10 years). — USGS daily streamflow statistics, as of Oct 20, 2:30 AM gauge-local time
No official beach-advisory feed for New Hampshire yet — follow posted signs and local guidance.
Picturesque lakeside park with a large sandy beach, boat ramp & designated swimming area.
Things to Do Near Otter Brook Lake
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Lake Winnipesaukee Narrated Scenic Tour

Oyster Tasting and Kayak Tour

Pedal, Paddle & Hike New Hampshire
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Weather at Otter Brook Lake
40°F, Clear · H 62° / L 38° · 5% chance of rain3-day forecast









Frequently asked questions
- Where is Otter Brook Lake?
- Otter Brook Lake is a reservoir in Keene, New Hampshire.
- Can you swim at Otter Brook Lake?
- Live flow only — judge the water in person: live streamflow is available but no water-temperature sensor is nearby. Checked October 20, 2026.
- How is Otter Brook Lake rated?
- Otter Brook Lake in Keene, New Hampshire has an average visitor rating of 4.5 out of 5, based on 204 reviews.
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Location & Contact
🏞️ 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
Accessibility
Amenities
Family & Children
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