Why should you learn about hydraulics over ledges or low-head dams?

They can trap boaters and need to be avoided.

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  1. They can trap boaters and need to be avoided ✔
  2. They are always safe to run
  3. They only happen in dry weather

Why: Hydraulics over ledges or low-head dams are hazards that can trap boaters, so learn to anticipate and avoid them.

Huh, didn't know that: Hydraulics over ledges or low-head dams are hazards that can trap boaters, so learn to anticipate and avoid them.

The dad joke
Hydraulics: a real trap.
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References

Answer: They can trap boaters and need to be avoided. Hydraulics over ledges or low-head dams are hazards that can trap boaters, so learn to anticipate and avoid them.

  1. Scouting America: Whitewater www.scouting.org/merit-badges/whitewater
    rocks, hydraulics over ledges or low-head dams, strong wind
    Checked 2026-11-07.

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