Rivermatics

USGS Streamgage 09075050

Castle Creek above Queens Gulch near Aspen, CO

Castle Creek above Queens Gulch near Aspen, CO is USGS streamgage 09075050 in Colorado, monitoring river discharge in hydrologic subbasin 14010004. It drains a watershed of about 67 square miles. Discharge records at this site go back to 2026. Rivermatics issues a daily machine-learned flow outlook for this gauge, reaching 14 days ahead.

View live conditions & forecast →

Gauge details

State
Colorado
Drainage area
67 sq mi
Gauge elevation
8,337 ft
Subbasin (HUC-8)
14010004
Coordinates
39.15025, -106.84861
USGS site number
09075050
Records begin
2026-04-28 (0 years)
Rivermatics forecast
14-day flow outlook

14-day flow forecast

Based on observations through for Castle Creek above Queens Gulch near Aspen, CO. Each day carries a median estimate and the band the model expects the flow to fall within — not a single number to plan against. Forecasts are re-issued daily; see the live screen for the current outlook.

Forecast daily mean discharge in cubic feet per second, by date
Date Low p10 Expected p50 High p90 Range
32.1 33 33.9
31.5 32.7 33.7
31.5 33 35.1
32.5 35.6 46.7
32.4 35.6 47.2
33.6 38.6 57.4
32.8 37.4 53.4
32.2 36.1 47.8
31.4 35.1 44.7
30.9 34.5 42.9
30.5 34 41.8
30.1 33.6 40.9
29.7 33.2 40.2
29.4 33 40

All values in cubic feet per second (cfs). Estimates only — do not use them for navigation or for any safety, rescue, or emergency decision.

Common questions

How long has Castle Creek above Queens Gulch near Aspen, CO been measured?
Discharge records at USGS site 09075050 begin in 2026, about 0 years, covering roughly 100 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
Is there a flow forecast for Castle Creek above Queens Gulch near Aspen, CO?
Yes. Rivermatics trains a machine-learned model — a temporal-fusion transformer — on this basin's observed flows, weather, and snowpack, and issues a daily flow outlook reaching 14 days ahead: a median estimate inside a confidence band, not a single number to bet on. Every forecast is scored against days the model never trained on, and that track record is published on the live gauge screen. Open live conditions to see the current outlook.
Where is Castle Creek above Queens Gulch near Aspen, CO?
The gauge sits at 39.15025, -106.84861, in Colorado, in hydrologic subbasin 14010004, at an elevation of about 8,337 feet, draining roughly 67 square miles.
Can I use Castle Creek above Queens Gulch near Aspen, CO data for flood or safety decisions?
No. Rivermatics provides estimates, not guarantees, and the readings and forecasts here may be delayed, inaccurate, or wrong. Do not use them for navigation or for any safety, rescue, or emergency decision. Check the National Weather Service and USGS directly, and use your own judgment.

Other gauges in this subbasin