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Montana Zipline Adventures

Boulder Creek near Anaconda, MT

Stream10.1 mi
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Around here

Around Boulder Creek

Boulder Creek Lodge & RV Park0.8 mi2 mi

Data Source: Recreation.gov · Source: USGS GNIS · Thermal springs: NOAA NCEI (1980) · Public land: USGS PAD-US · Forest roads: USDA Forest Service MVUM · BLM routes and areas: Bureau of Land Management (simplified for web display)

About this river

Boulder Creek is a 10.1 mile stream near Montana Zipline Adventures in Montana. Streamflow is measured at the USGS gauge Boulder Creek at Maxville MT (site 12330000). The National Hydrography Dataset places it at stream order 4. Reach geometry comes from the USGS National Hydrography Dataset.

Typical flow by month

1940 to 2025

Boulder Creek typically runs highest in June, at a median 164 cfs, and lowest in September, at 16 cfs. The highest flow on record for any single day is 1,360 cfs, in 2017.

Show the numbers
Typical flow by month at Boulder Creek at Maxville MT, in cfs
MonthTypical (cfs)Usual range (cfs)
January1916 to 22
February1816 to 21
March1816 to 20
April2319 to 30
May9159 to 142
June16494 to 243
July4527 to 63
August1713 to 25
September1610 to 22
October2317 to 29
November2319 to 28
December2017 to 24

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 85 years of record. Statistics published by the US Geological Survey for Boulder Creek at Maxville MT (site 12330000). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.

Made to print

Put Boulder Creek on your wall

This river section as an art print, drawn over the real terrain with its miles, plus the trails, roads and peaks around it. Pick the colors and the size, and see the finished print before you buy. From $39, shipping included.

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Paste this snippet anywhere, an outfitter page, a club site, a trip report, to show Boulder Creek's live streamflow, water level and 7-day trend. It reads the USGS gauge directly, updates itself, and links back here.

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