AUBURN RAFTING FIELD GUIDE
Tunnel Chute and the 18‑mile Surge: A Full‑Day Run Through the Middle Fork American River
Auburn’s signature 6‑hour, 18‑mile Class III–IV run through a deep Tahoe National Forest canyon; this guide orients paddlers to the route, rapids and practical details.
Tunnel Chute and the 18‑mile Surge: A Full‑Day Run Through the Middle Fork American River.
Rich with gold‑rush nostalgia and carved by emerald water, the Middle Fork American River threads a deep, remote canyon in the heart of the Tahoe National Forest. Alternately wild and serene, the run is commonly done as a single 18‑mile day trip that mixes long sequences of Class III–IV rapids with a tranquil midsection and an adrenaline‑charged finish.
Highlights
Outing Highlights
A full‑day, 18‑mile raft run
The most common way to experience this stretch is to raft the entire 18 miles in one day: a six‑hour outing that balances sustained whitewater with calmer river travel through remote canyon scenery.
Tunnel Chute — the signature Class IV moment
The route culminates with Tunnel Chute, a noted Class IV rapid that stands as the run’s technical and emotional climax, delivering one of the trip’s most memorable surges.
Emerald water in a gold‑rush canyon
Beyond the whitewater, the Middle Fork’s deep, remote canyon and emerald‑green river reflect the area’s historic and scenic character—quiet stretches provide a contrast to the rapids.
What the day feels like
What the day feels like
Expect a day that alternates between pulse‑raising rapids and long, quiet floats. Guides run the full 18‑mile corridor in a single outing: an energetic opening, a tranquil midsection to catch your breath, then an exciting finale that includes Tunnel Chute—leaving most paddlers both satisfied and exhilarated.
Suitability
Who it's for
Who this trip suits—and who should look elsewhere.
Practical planner
Details to review before reserving
Plan for a full‑day excursion: the run covers 18 miles and typically takes about 6 hours.
Standard pricing for participants ages 14 and up: $229 per person Monday–Friday; $249 per person on Saturday and Sunday.
Participants must meet the operator’s minimum age requirement of 14 years or older.
This is commonly run as a single‑day, full‑river commercial trip—bookings are organized through the trip operator.
Review cancellation policies before reserving.
Frequently asked questions
Planning Your Outing
How long is the Tunnel Run?
The trip covers 18 miles and typically takes about 6 hours.
What is the river difficulty?
The Middle Fork American River is run as a Class III–IV rafting trip.
Is there a minimum age to join?
Yes—participants must be ages 14 and older.
What does the trip cost?
Rates for participants ages 14+ are $229 per person Monday–Friday and $249 per person on Saturday and Sunday.
Who operates the Middle Fork Tunnel Run Day Trip?
The trip is operated by Action Whitewater.
What is the signature rapid on the route?
Tunnel Chute is the trip’s signature Class IV rapid and forms the exciting finale of the run.