River Safety

River Crossing Essentials for Safe Adventures

River safety is one of the most important skills for anyone exploring the outdoors in New Zealand. Streams and rivers can rise quickly after heavy rain or due to snowmelt, particularly in spring, turning a dry streambed or tame river into a life-threatening hazard within minutes. Many outdoor incidents happen because hikers and trampers misjudge stream and river conditions or don’t know how to cross safely.

While most popular tracks have bridges, many others require stream and river crossings. To cross safely, you need the right skills, including recognising when they are unsafe and knowing the correct crossing technique. If you don’t have this training, stick to tracks with bridges until you do.

Every river crossing should be treated with caution. If in doubt, stay out!

Learn how to handle rivers like a pro

 

 


Plan Ahead for River Crossings

Hikers and trampers should take stream and river safety into consideration for every trip. These guidelines will help you get suitably prepared for river crossings.

  • Identify any unbridged stream or river crossings on your route. Does everyone in the group have the skills to make the crossing? If not, is there a bridge or alternate track, or do you need to choose another route?
  • Check the weather forecast. Look at rain in the river catchment area, not just where you’ll be hiking, as rain upstream will soon make its way down. If rain is expected, consider changing your plans.
  • Have a plan B. If a stream or river is unsafe to cross, have a plan B. As part of your planning, identify an alternative route or where you could backtrack to a hut or shelter.
  • Take essential gear. In case you have to change your plans or wait for the river to drop, always pack:
    • Extra day's worth of food
    • Emergency shelter
    • Emergency comms device, like a PLB
    • Two-way comms device, like inReach or mobile with satellite text, so you can let your emergency contact know that you've been delayed.
  • Use a pack liner.  Put everything in a waterproof bag or dry sack in your pack so that it stays dry. Having a sealed pack liner will help your pack float if you lose your footing during a crossing.
  • Use dry bags. As well as a pack liner, put your essential items in a sealed dry ba g. This includes your sleeping bag and change of clothes. 
  • Double up on essentials. Consider sharing essential items out amongst your group, or taking double so if someone’s gear gets wet, you have a backup.
  • Share your trip plans.  Let your emergency contact know there is a stream or river crossing on the route that could hold you up. Tell them and what your plan B will be if you get delayed. Take a reliable two-way communications device so you can let them know your plans have changed.

Download an essential tramping gear list here.


Know the Signs of an Unsafe River 

The first step in river safety is knowing when a stream or river is unsafe to cross. Take time to check for these signs and discuss them as a group. 




What To Do if the Stream or River is Unsafe

If the stream or river is not safe to cross:  

  • Wait for it to drop. Pitch your emergency shelter and make yourself comfortable.
  • Use your plan B. This may mean turning back or taking an alternate track that avoids the crossing.
  • Tell your emergency contact about your change of plans as soon as you can.

How to Choose a Safe Place to Cross

If you consider the stream or river is safe to cross, the next step is to choose where to cross. Take your time to inspect the stream or river and discuss the options with your group. 


Know the Techniques for a Safe River Crossing

If the stream or river passes all your checks and you have river crossing skills, these techniques will help get you across safely.


Get Mentally Prepared for an Unsafe Stream or River

Even if you know the signs of an unsafe river, it can be tempting to risk crossing if you’re tired and the end is in sight. By considering the psychological factors and being mentally prepared to wait it out or turn around, you'll be less likely to throw yourself into a risky situation. Check that you’re in the right mindset to make a safe decision with these four questions.

  • What’s driving your decision? Consider what might be influencing your decision-making and whether you are putting other factors ahead of your safety. Is this a good weather window that you don’t want to miss? Are you on the home stretch and keen to get to your destination for the night? 
  • Crossed here before? If you’ve crossed safely in the past, that experience could lull you into a false sense of security. Approach each crossing with fresh eyes and thinking.

  • Everyone in the group comfortable crossing? Make sure everyone has the chance to speak up, not just those with experience. If you’re worried, make your voice heard. 

  • Are you being influenced by others? Just because others have crossed ahead of you, doesn’t make it safe for you. Use the evidence available to you, and take into account your skills and experience.


Questions People Ask About River Safety

Last edited: September 2026