25 May 2026

In many injury claims, insurers and defendants may say the accident happened because of an “obvious risk” or an “inherent risk”.Those phrases can sound similar, but they do not mean exactly the same thing.

They are important because they can affect whether a person can recover compensation after an injury. They often come up in public liability claimssporting injuries, recreational accidents, occupiers liability matters and some medical negligence disputes.

The key point is this: a risk being obvious or inherent does not automatically end every claim. The real question is what caused the injury, whether the risk could have been avoided, and whether reasonable care was taken.

What Is An Obvious Risk?

Under the Civil Liability Act 2002 (NSW), an obvious risk is a risk that would have been obvious to a reasonable person in the same position. The Act also says a risk can be obvious even if it has a low chance of happening, and even if it is not physically obvious or easy to see.

In simple terms, an obvious risk is something a reasonable person would understand as a danger in the circumstances.

For example, it may be obvious that a wet outdoor path after heavy rain could be slippery. It may be obvious that playing contact sport involves some risk of collision. It may be obvious that walking over rocks near water could involve a risk of slipping.

The law does not always require someone to warn you about a risk that is already obvious. In NSW, section 5H of the Civil Liability Act says there is generally no proactive duty to warn of an obvious risk, although there are exceptions.

What Is An Inherent Risk?

Under section 5I of the Civil Liability Act, an inherent risk is a risk that cannot be avoided by the exercise of reasonable care and skill. If harm results from the materialisation of an inherent risk, the defendant may not be liable in negligence.

Put simply, an inherent risk is a risk that remains even when everyone acts carefully.

For example, surgery may carry a recognised risk of infection or scarring even when proper care is taken. A sporting activity may carry some risk of accidental injury even when the game is properly supervised and played within the rules. A bushwalk may involve some risk of slipping on natural uneven ground despite reasonable precautions.

The important question is whether the risk truly could not have been avoided by reasonable care.

The Difference Between Obvious Risk and Inherent Risk

An obvious risk is about what a reasonable person would have noticed or understood. An inherent risk is about whether the risk could have been avoided with reasonable care and skill.

A risk can sometimes be both obvious and inherent, but not always.

For example, the risk of falling while skiing may be obvious because most people understand that skiing involves falls. Some falls may also be inherent because they can happen even when the slope is properly managed and the skier is careful.

But if a skier is injured because of unsafe resort operations, defective hired equipment or careless conduct by another person, the injury may not be treated as simply an inherent risk of skiing. The claim would need to look at what actually caused the injury.

Why These Arguments Matter In Injury Claims

These arguments are often raised because they can limit or defeat liability.

A shopping centre may argue that a hazard was obvious. A sports club may argue that the injury was part of the ordinary risk of the game. A doctor or hospital may argue that a post-surgery complication was an inherent risk of the procedure.

Sometimes those arguments are valid.

But they should not be accepted without looking closely at the facts.

For example, a wet floor may be obvious if it is clearly marked and visible. But if the floor was wet because of a recurring leak that had been ignored, the issue may be whether the hazard should have been fixed or better managed.

A football injury may be part of the ordinary risk of play. But an injury caused by unsecured goalposts, unsafe coaching instructions or a dangerous field defect may raise a different issue.

A surgical complication may be a known risk. But if the patient was not properly warned, or if the complication was made worse by poor follow-up care, there may still be a legal issue.

An Obvious Risk Does Not Always Mean No One is Responsible

One common misunderstanding is that if a risk is obvious, no one can be responsible.

An obvious risk may affect whether there was a duty to warn. It may also affect whether the injured person is considered to have accepted or understood the type of risk. But it does not automatically answer every question about negligence.

For example, a broken step may be visible. But if the owner knew the step was dangerous and left it unrepaired in a busy public area, the issue may not be only whether a warning was needed. The issue may be whether the step should have been repaired, blocked off or made safer.

Inherent Does Not Mean “Anything Goes”

An inherent risk also has limits. A defendant cannot simply say, “This was a known risk,” and avoid responsibility in every case.

The risk must be one that could not have been avoided by reasonable care and skill. If the injury happened because someone failed to inspect, repair, supervise, warn, maintain equipment, follow proper systems or respond to a known danger, the risk may not be truly inherent.

For example, infection may be a known risk of surgery. But if infection signs were ignored or treatment was delayed, the issue may become whether reasonable care was taken after the complication appeared.

Evidence Is What Usually Decides The Issue

Whether a risk was obvious or inherent often depends on evidence. Useful evidence may include photographs, CCTV, incident reports, inspection records, maintenance documents, medical reports, consent forms, witness statements, expert opinions and records of earlier complaints.

The evidence helps answer practical questions such as:

Was the hazard visible?
Was the risk explained?
Had anyone complained before?
Could the danger have been fixed?
Were reasonable precautions taken?
Did the injury happen because of the risk itself, or because someone failed to manage it?

Those details often determine whether the defence is strong or whether the injured person may still have a claim.

Getting Legal Advice Can Help Clarify The Real Issue

“Obvious risk” and “inherent risk” are complex legal concepts. They can be important, but they do not defeat a claim on their own.

The real issue is usually what caused the injury and whether reasonable care could have prevented it.

Law Advice assists injured people by reviewing how the accident happened, identifying the evidence needed, and assessing whether an insurer or defendant is correctly relying on obvious risk or inherent risk arguments.

If you have been injured and are being told the accident was simply an obvious or inherent risk, legal advice can help clarify whether that is right or whether there may still be grounds to pursue compensation.

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