MATTOLE RIVER
River Runs • Kayaking • Whitewater
November 21, 2024
National Weather Service • Until 2024-11-22T05:45:00-08:00
A major atmospheric river storm is forecast to bring periods of heavy rain and the potential for life threatening flooding today through Friday. Small creeks and streams will continue to rapidly rise and may come out of their banks. The potential for extensive river flooding will increase tonight through Friday. Rivers will slowly drain Friday night and may continue to remain above flood stage through the day on Saturday, particularly on the Eel River at Fernbridge. * WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...A portion of northwest California, including the Northern Humboldt Coast, Northern Humboldt Interior, Southern Humboldt Interior and Southwestern Humboldt. * WHEN...Through Friday evening. * IMPACTS...There will be an increased risk of rock and land slides along roadways. Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. Low-water crossings may be flooded. Storm drains and ditches may become clogged with debris. Extensive street flooding and flooding of creeks and rivers are possible. Area creeks and streams are running high and could flood with more heavy rain. * ADDITIONAL DETAILS... - Additional rainfall of 3 to 7 inches is expected today through Friday evening. Locally higher amounts of 10 to 12 inches can be expected in the King Range. The heaviest rain is expected today through early Friday morning. - http://www.weather.gov/safety/flood
SUMMARY
| Last Updated | 2024-09-23 |
| River Levels | 117 cfs (12.28 ft) |
| Percent of Normal | 76% |
| Status | |
| Class Level | iii-ii |
| Elevation | ft |
| Streamflow Discharge | cfs |
| Gauge Height | ft |
| Reporting Streamgage |
USGS 11469000 |
The Mattole River, located in Northern California, offers a challenging and exciting whitewater river run. The ideal streamflow range for this river is between 500 to 1500 cubic feet per second (cfs), providing a great balance between rapids and navigable sections. The class rating of the Mattole River ranges from II to V, offering a mix of moderate to extreme rapids.
The Mattole River run is 17 miles long and is divided into two segments. The upper section is 9 miles long and is rated as a class III to IV, containing rapids such as The Slot and The Squeeze. The lower section is 8 miles long and is rated as a class II to III, offering a more relaxed and scenic float.
One of the significant obstacles on the Mattole River is the infamous House Rock rapid, a class V rapid located in the upper section of the river. The rapid features a steep drop and a challenging entrance that requires precise maneuvering. Another obstacle to watch out for is the numerous strainers, which can be dangerous and difficult to navigate.
When planning to run the Mattole River, it is important to note that the river is only open for boating in the winter months from December to April. Additionally, visitors are required to have a permit to access the river, and groups are limited to a maximum of 15 people per permit.
Overall, the Mattole River run offers a thrilling and adventurous whitewater experience with a mix of rapids and navigable sections. It is important to be prepared and follow all regulations and safety guidelines when exploring this river.
