Rock River — Janesville to Beloit: Water Level Today — Can You Paddle It?
Rock River · Flatwater · Wisconsin
Current verdict
No runnable range yet
We don’t have a runnable range for this section yet — many of these are calm or dam-controlled reaches. Here’s the current gauge reading; check it (and, for tailwaters, the dam’s generation schedule) before you go.
USGS gauge 05430500 · updated Jul 9, 8:00 AM UTC
7-day flow trend
Section facts
- Difficulty
- Flatwater
- Length
- 12.5 mi
- Float time
- ~4 hr
- Best months
- May–October
- Put-in
- Janesville landing
- Take-out
- Beloit landing
Reading USGS gauge 05430500 — ROCK RIVER AT AFTON, WI ↗ · runnable range is an estimate (see methodology)
FAQ
What water level is good for paddling Rock River — Janesville to Beloit?
We don't yet have a published runnable range for this section, so we can't give a firm number. Check the live USGS gauge and ask a local outfitter before you go.
How do I check Rock River levels?
We read USGS gauge 05430500 — the same public data USGS publishes — about every 30 minutes and compare it to the runnable range for this reach. You can also view the raw gauge yourself at waterdata.usgs.gov.
Is Rock River — Janesville to Beloit good for beginners?
This is a flatwater section — no rapids under normal levels — so it's beginner-friendly when the gauge is in range. High water changes everything: cold, fast water is dangerous for anyone.
When is the best time to paddle Rock River here?
Typically May–October, when flows are most reliable for this section. Spring can run high after rain or snowmelt; late summer can drop too low. Always check today's gauge reading rather than assuming.
How long does it take to float Rock River — Janesville to Beloit?
This reach is about 12.5 miles, roughly 4 hours at a relaxed pace. Higher water is faster; low water and headwinds are slower. Add time for stops.