Crossing rivers on your mountain bike can be a thrilling and challenging part of the ride, especially on trails like the Motatapu, which features 9 major river crossings in the last 6km along the Macetown Track and numerous others in the Motatapu Valley. Successfully navigating these crossings can significantly enhance your riding experience.
During races, spectators and photographers often gather around water crossings, anticipating the dramatic moments when riders use the “hit it with speed and hope” method. This approach frequently leads to “graceful plunges” into the cold water, followed by cramps and difficulties in disengaging from the pedals. However, crossing rivers doesn’t have to be this hard. With the right knowledge and technique, you can master river crossings. If you’re riding an ebike, check with the manufacturer to ensure your bike is suitable for river crossings.
Know your crossing
The key to a successful river crossing is assessing the situation and making an informed decision about whether to ride or walk. Here are some tips:
- Scout the Crossing as You Approach
- Water Clarity: Entering water where you can’t see the bottom is risky.
- Track Type: Be cautious on 4-wheel drive tracks, as they may have deep holes.
- Anticipate Underwater Conditions: Streams may have mud and rocks; rivers have a mix of boulders and gravel.
- Water Surface:
- Rapids indicate fast flow and a rough bottom (not so good for riding).
- Flat, glassy water suggests a deep pool.
- Lightly disturbed water usually means shallow water over small rocks, which is more rideable.
- Direction of Crossing:
- Riding upstream requires finding shallow routes or carrying the bike.
- Riding downstream allows for deeper routes but requires continuous pedaling.
Technique for Riding Through Water
- Control Your Speed and Balance
- Enter the water calmly, in the right gear for a comfortable cadence.
- Maintain a relaxed standing position with a slight bend in your legs, body weight centered, and a light hold on the handlebars.
- As the water slows your bike, absorb the impact to avoid being thrown over the handlebars.
- Pedal Smoothly
- Once the bike settles, sit back in the saddle and pedal smoothly.
- Keep your eyes on the exit point, stay relaxed, and maintain a steady rhythm.
Technique for Carrying Your Bike
- Carry Your Bike Correctly
- Hold your bike on the downstream side to prevent the current from pinning it against you.
- Lift the bike high to avoid water drag.
- Focus on your exit point and move deliberately, preferably at a downstream angle.
River crossings are not something to be feared With a clear mind, focus, and the right techniques, success will be yours.
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