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Rocky Mountain Paddleboard - Union Reservoir

Rocky Mountain Paddleboard - Union Reservoir

SUP School / RentalsPaddleboarding (SUP)
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About

Rocky Mountain Paddleboard - Union Reservoir is an SUP school and rentals in Longmont. They offer rentals of various watercraft on Union Reservoir, with dog-friendly options available. The location provides scenic views of Longs Peak and the Front Range, making it suitable for paddles, picnics, and families.

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Outfitter details

Disciplines
Paddleboarding (SUP)

Rivers & creeks near this outfitter

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Typical flow by month

2013 to 2026

The water at Rocky Mountain Paddleboard - Union Reservoir typically runs highest in June, at a median 640 cfs, and lowest in September, at 89 cfs. The highest flow on record for any single day is 4,570 cfs, in 2015.

Typical flow by month at ST Vrain CR below Boulder CR at Hwy 119 near Longmont, in cfs
MonthTypical (cfs)Usual range (cfs)Relative level
January9881 to 118
February9881 to 128
March10280 to 154
April10980 to 202
May379183 to 620
June640414 to 1,004
July11389 to 238
August9881 to 128
September8971 to 127
October9981 to 157
November11193 to 153
December10987 to 140

Typical is the median of each month’s daily median values, and the usual range runs from the median 25th to the median 75th percentile, across about 13 years of record. Statistics published by the US Geological Survey for ST Vrain CR below Boulder CR at Hwy 119 near Longmont (site 06730525). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.

Current conditions

57Maybe/ 100 conditions scoreBest day: Sun, Sep 27 (89)

Streamflow

24 cfs

Below normal (10th)

Water level

9.44 ft

High today

84°F

Wind

16 kt

Gusts 27 kt

Rain chance

5%

Week ahead

Tue84°F5%
Wed80°F11%
Thu75°F57%
Fri79°F47%
Sat86°F9%
Sun86°F4%
Mon84°F30%

Forecast from Open-Meteo global models (NOAA & ECMWF).

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