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Photo: DETAIL OF THE BRIDGE PIER SHOWING THE SUSPENSION CABLE, LOOKING SOUTHWEST. - Sacramento River Water Treatment Plant Intake Pier and Access Bridge, Spanning Sacramento River approximately 175 feet west of eastern levee on river; roughly .5 mile downstream from confluence of Sacramento and American Rivers, Sacramento, Sacramento County, CA by Dewey, William B. Related names: Henry, William P Williamson, N E Grunsky, C E Dean, Charles F Dean, James S Hyde and Wilhelm Mathews Construction Company Jackson-Retondo, Elaine, transmitter (Public domain) License

Williamson River Access Park

Boat ramp · Chiloquin, Oregon

Cool water — ease in carefully

Use caution

Cool water — ease in carefully: water temperature is 61°F, cool enough to cause cold-water shock on a sudden entry.

  • Water temperature is 61°F, cool enough to cause cold-water shock on a sudden entry.
  • Flow is within the normal range (25th–75th percentile) for Aug 23 (median 511 ft³/s over 106 years).
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Cool water — ease in carefully

Use caution

Cool water — ease in carefully: water temperature is 61°F, cool enough to cause cold-water shock on a sudden entry.

  • Water temperature is 61°F, cool enough to cause cold-water shock on a sudden entry. USGS gauge 11502500, as of Aug 22, 5:45 PM gauge-local time
  • Flow is within the normal range (25th–75th percentile) for Aug 23 (median 511 ft³/s over 106 years). USGS daily streamflow statistics, as of Aug 22, 5:45 PM gauge-local time
Water temp
61°F
16°C
Streamflow
495 ft³/s
discharge
Gage height
3.36 ft
water level

Flow is normal for this date — within the normal range (25th–75th percentile) for Aug 23 (median 511 ft³/s over 106 years).

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

Live, provisional data from USGS gauge WILLIAMSON RIVER BLW SPRAGUE RIVER NR CHILOQUIN,OR (0.4 mi away), as of Aug 22, 5:45 PM gauge-local time.

Weather at Williamson River Access Park

H: 82° L: 56°
Sunny
Sunny
78°
|
Feels like 67°
Precipitation
1%
Humidity
22%
Wind
13 mph
UV Index
0.9
Water Conditions:
🏊Perfect for swimming
12 AM
Clear
62°
3 AM
Clear
60°
6 AM
Clear
57°
9 AM
Sunny
68°
12 PM
Sunny
77°
3 PM
Sunny
81°
6 PM
Sunny
78°
9 PM
Clear
64°

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Frequently asked questions

Where is Williamson River Access Park?
Williamson River Access Park is a boat ramp in Chiloquin, Oregon.
What is the water temperature at Williamson River Access Park?
As of August 22, 2026, the water temperature at Williamson River Access Park in Chiloquin, Oregon is 61°F (16°C), measured by USGS gauge 11502500, 0.4 miles away.
Can you swim at Williamson River Access Park?
Cool water — ease in carefully: water temperature is 61°F, cool enough to cause cold-water shock on a sudden entry. Checked August 22, 2026.
How is Williamson River Access Park rated?
Williamson River Access Park in Chiloquin, Oregon has an average visitor rating of 4.4 out of 5, based on 74 reviews.
What amenities does Williamson River Access Park have?
Visitor-listed amenities at Williamson River Access Park include camping-nearby.

Visitor Reviews

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Best Times to Visit

Right Now
Perfect conditions right now!
General 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
Best Seasons:
☀️ Summer (Jun-Aug)🍂 Fall (Sep-Nov)🌸 Spring (Mar-May)

Location & Contact

209 Chiloquin Blvd, Chiloquin, OR 97624

Chiloquin, Oregon 97624

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Accessibility

Wheelchair accessible entranceWheelchair accessible parking lot

Amenities

Camping nearby