How to Ford a River

Fording Oteros 2

Sometimes there’s a fine line between fording and swimming 🙂 | Oteros River | Copper Canyon Traverse, Mexico, 2013.

Knowing where and how to ford a fast flowing river is one of the most important backcountry skills that a hiker can acquire. Let’s break it down into four steps:    

  1. Where to cross?
  2. Preparation for Crossing.
  3. Fording Techniques.
  4. What to do in a worst case scenario.

1.  Where to Cross

Far too often people rush into the water without giving much thought to what they are doing. Often the ideal place to cross is not where the trail meets the river. Take time to assess your options.

What to Look For?

  • Swiftness & Depth:  If the river is fast flowing and above knee depth then it is potentially dangerous.  If it is above thigh height and moving quickly, it may be a good idea to either rethink your crossing point and/or make camp and try again the following day. Note that it is easier to ford snow-fed rivers early in the morning, as progressively warmer temperatures mean that water levels will rise throughout the day.
IMG_0460

The very appropriately named “Swift Creek” | Olympic Peninsula | Pacific Northwest Trail, 2011 | On this particular occasion, I spent the best part of a couple of hours bushwhacking up and down the watercourse before finding a safe place to ford.

  • Width: Generally speaking, look for a spot that is wide and shallow/braided, with feasible points at which to both enter and exit the water (i.e. avoid high banks). Avoid crossing at narrow (“choke”) points where the current will be strongest.
  • Run-out: If the crossing is a difficult one, investigate where the river is heading in case of a fall. Avoid crossing anywhere that the run-out leads to dangerous rapids or waterfalls.
  • Character of Riverbed: Riverbeds are uneven. Before crossing assess the riverbed for potential snags and holes. If the water is surging, murky and full of large debris, either bide your time or look for an alternative crossing.
  • Patience: Once the river has been scoped for potential crossing points, if you and/or your group are still having serious doubts as to the feasibility of a ford, it is usually wiser to be patient, set up camp and wait until conditions improve.
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Fording Heaven – Wide, braided, relatively even | Skoga River | Skogar – Landmannalaugar | Iceland | 2000

2.  Preparation for Crossing

  • Protection: In addition to your backpack liner (e.g. a large trash compactor bag), it is a good idea to have all of your electronics and any other valuables stored safely inside smaller waterproof bags. Before crossing, tie off your pack liner with a knot and/or thick rubber band; if sealed correctly, the trapped air will act as a buoyancy aid in case of a worst case scenario (see below).
  • Minimize Resistance: Avoid wearing baggy pants or skirts. Strip down to your undies or go commando if you have to. You basically just want to avoid anything that will add extra resistance. On that point, hikers that strap their foam sleeping mats to the outside of their backpacks, will want to make sure they have them attached to the top, rather than the bottom of their packs before attempting a difficult river ford.
  • Keep Your Shoes On: If the crossing is a difficult one, keep your shoes on. Wet feet are a small price to pay for the added protection, traction and stability that shoes/boots can offer.
  • Loosen Up or Unbuckle?: Over the years I’ve tried both methods. Personally speaking, I prefer the former. When fording a fast flowing river over an uneven bed, I want to feel as balanced as possible. Unbuckling your backpack leaves you vulnerable to load shifts during a ford. My preference is to stay clipped in, but before a potentially difficult crossing, slightly loosen my hip belt, shoulder and sternum straps. Not too much, as this can lead to instability, but just enough that if I do happen to go into the drink, I’m able to unbuckle immediately without issue.
  • (Note: This particular point flies in the face of conventional river fording wisdom. Virtually every article you read on the subject advises hikers to undo the hip belt and sternum strap before crossing. I’ve occasionally wondered whether some of the folks writing these pieces are simply regurgitating the same old thing. I can only speak from my own experiences over the past few decades. During this time I’ve crossed a lot of fast flowing rivers from the Yukon to the Himalaya to Southwest Tasmania. The only times I’ve taken a tumble were back in 1998 (Alaska) and 2008 (Ladakh), when I did so on purpose in order to test both the buckled and unbuckled methods. Both trials were done on nice warm sunny days (I’m not a complete nutter 😉 ). Having said all that, I’ve probably just jinxed myself into falling arse over tea kettle next time I cross a meandering, ankle-high stream!).

3.  Technique for Crossing

The Tripod or Quadpod Method

An extra “leg” or two in the form of hiking poles or long, sturdy sticks, can be of great assistance in aiding balance and stability during a difficult river crossing. For ease of reference, the following bullet points refer to the Tripod method (one pole), however, the same technique applies to the Quadpod version (two poles) as well:

  • Enter the water facing upstream. Use your pole for stability. Grip it with both hands.
  • Bend at the knees and lean slightly forward into the oncoming water. Your pole/stick is directly in front of you. Think of a sumo wrestler trying to keep their centre of gravity as low as possible. The goal is the same – not to be pushed backwards.
  • In your tripod/bent knee stance, proceed to slowly shuffle across the river. Make things easier by crossing at a slight angle heading downstream rather than straight across, as this will mean you are moving with the current rather than fighting against it.
  • Test each foothold as you go. The stick/pole will act as a depth tester and stabiliser. Shuffle steadily, but never rush; this particularly holds true if you are making your way over slippery rocks.
River crossing quadpod

Crossing the Rio Verde using the ‘Quadpod’ method | Copper Canyon Traverse | Mexico, 2013 (photo by Justin “Trauma” Lichter)


Group Crossings

If the ford is difficult and you are hiking in a group, there are multiple options available:

  • Each member crosses solo, with others from the party taking turns at positioning themselves downstream so that in case of a fall, they are better able to offer assistance in the form of a rope, hiking pole or long, sturdy stick. The strongest and/or most experienced member of the party should ideally go first in order to scope out the safest route.
  • The group crosses together using the Mutual Support Method with members holding on to one another’s shoulder straps or waist belts for support. The party enters the water in a line angling slightly downstream, with the strongest / heaviest member anchoring the group at the upstream end.


4.  Worst Case Scenario
 

In the event that you fall and are swept away by the current:

Regain your composure

After the shock of falling, your primary concern should be reaching the safety of shore. There will be plenty of time to worry about whether or not your stuff is still dry once you are out of the water.

Backpack – Hold or Release?

If a fall occurs and you are swept downstream, you need to be able to either quickly release your pack or hold it against your chest for buoyancy purposes. The one place you do not want it is against your back, where it will act as a weight in dragging you down. There are two schools of thought:

    1. The first is in favour of keeping your pack, as the trapped airspace inside of the sealed bags will help to give you buoyancy. Sort of like a makeshift lifejacket. The negative associated with this strategy is that it only leaves you with one arm to swim, thus making it more difficult to reach shore.
    2. The second school of thought maintains that you should release your pack, thereby making it easier to actively swim to the shore at the first feasible opportunity. The disadvantage to this method is that depending on the character of the river and terrain, you may not be able to retrieve your pack, which subsequently could prove vital to your chances of survival.

My Choice?: I will always keep hold of my pack unless I’m in imminent danger of being swept down treacherous rapids or over a waterfall. In such an unlikely scenario (see Run-Out in Where to Cross?), my best chance of reaching shore may lie in swimming with both arms.

Position

If the current is extremely swift and reaching shore isn’t an immediate option, position yourself so that you are floating on your back with your feet facing downstream. If collisions with river obstacles occur, better your feet than your head taking the brunt of the impact.

Terra Firma

Once you have reached the safety of shore your priority is to get warm and dry. Do some pushups and jumping jacks if necessary. If you still have your pack, slip into any extra clothes you may be carrying.

If your pack has been jettisoned………….good luck searching! If you are solo and your search proves fruitless, depending on the prevailing conditions and how far away you are from civilization, you may need to build a fire in order to warm yourself and dry the clothes you are wearing. Note, this may not be such an easy task if your lighter and/or matches were stored in your pack. If you are part of a group, now would be a good time to beg and borrow from your hiking buddies!


Comments

How to Ford a River — 6 Comments

  1. You might want to point out that you need to face upstream so you wont be blind sided by a log or other debris in swift current.

  2. This facing angle and crossing angle thing has never been clear to me as facing upstream helps with balance but makes you work against the flow if you cross upstream. So as per your advice, face upstream to enter the water to assess conditions, then turn and head downstream at a slight angle to cross? is this the correct interpretation?

    • No. You cross at a “slight” angle heading downstream (thereby decreasing resistance), while continuing to face upstream. During the ford, you might just take the occasional sideways glance towards the opposite bank in order to gauge your progress.

      Cheers,

      Cam

      • OK, thanks. Never tried that. So you step sideways? This sounds a bit odd but I understand the reasoning. I’ll try that next time. The whole article makes a lot of sense, thanks for sharing

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