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Photo: Castor river castor river by ARPwildlifebio (CC BY-SA 4.0) License

Castor River Shut-Ins

Park · Fredericktown, Missouri

Live flow only — judge the water in person

Use caution

Live flow only — judge the water in person: live streamflow is available but no water-temperature sensor is nearby.

  • Streamflow 6 ft³/s
  • Gage height 4.85 ft

Live, provisional data from USGS gauge South Fork Saline Creek near Perryville, MO (16.8 mi away), as of Oct 20, 1:00 AM gauge-local time.

Why, sources & official advisories
  • Live streamflow is available but no water-temperature sensor is nearby. — USGS gauge 07020550, as of Oct 20, 1:00 AM gauge-local time
  • Flow is below the 25th percentile for Oct 20 (median 10 ft³/s over 25 years). — USGS daily streamflow statistics, as of Oct 20, 1:00 AM gauge-local time

No official beach-advisory feed for Missouri yet — follow posted signs and local guidance.

Cool today
Editor's Notes
At the Castor River Shut-Ins, the river squeezes through a maze of pink granite boulders more than a billion years old, carving natural chutes, pools, and slides — one of the Missouri Ozarks' most beautiful natural water playgrounds.

Weather at Castor River Shut-Ins

54°F, Overcast · H 75° / L 48° · 3% chance of rain
H: 75° L: 48°
Overcast
Overcast
54°
|
Feels like 51°
Precipitation
3%
Humidity
58%
Wind
2 mph
UV Index
0
12 AM
Overcast
52°
3 AM
Cloudy
54°
6 AM
Clear
49°
9 AM
Sunny
58°
12 PM
Sunny
72°
3 PM
Sunny
75°
6 PM
Sunny
62°
9 PM
Clear
55°

Frequently asked questions

Where is Castor River Shut-Ins?
Castor River Shut-Ins is a park in Fredericktown, Missouri.
Can you swim at Castor River Shut-Ins?
Live flow only — judge the water in person: live streamflow is available but no water-temperature sensor is nearby. Checked October 20, 2026.
How is Castor River Shut-Ins rated?
Castor River Shut-Ins in Fredericktown, Missouri has an average visitor rating of 4.8 out of 5, based on 471 reviews.

Location & Contact

Fredericktown, MO 63645

Fredericktown, Missouri 63645

Popular Times
Monday
Morning
6a
7a
8a
9a
10a
11a
Afternoon
12p
1p
2p
3p
4p
5p
Evening
6p
7p
8p
9p
10p
11p
Not busy
Moderate
Busy
💡 Best times & visiting tips
  • ›Weekday mornings (8–10 AM) are typically less crowded
  • ›Check the forecast 2–3 days ahead for best planning
  • ›Avoid holiday weekends for a quieter experience

Features & amenities

People Talk About

💬 water💬 rocks💬 swimming💬 hike💬 scenery💬 nature💬 area💬 trail💬 crowded💬 summer

Family & Children

👶 Good for kids👶 Kid-friendly hikes
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