Creek CA

Tolay Creek

California • 38.1701, -122.4676

Reviewed mapped path Updated Dec 30, 2025

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USGS and NOAA data is for informational purposes. Source notes

Length

13 mi

20 km

Elevation

229′ → 2′

228 ft drop

Stream Order

Medium River

Slope

0.34%

18.2 ft/mi

Drainage

143 mi²

371 km²

Avg Flow

-- cfs

0.9 mph velocity

Path to Mouth

12 mi

20 km to ocean

Classification

Tributary

Mid-reach

Elevation Profile

Water Quality

Data from EPA Water Quality Portal (USGS, EPA, state agencies).

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Data from USGS & NOAA for informational purposes only. Read source and safety notes

Rain Radar