Is It Legal to Smoke Weed in Public in Canberra and What Are the Fines
Canberra has some of Australia’s most relaxed cannabis laws, but that does not mean you can light up anywhere you like. The short answer is simple: no, it is not legal to smoke weed in public in Canberra.
The ACT does allow adults to possess and use small amounts of cannabis in limited private settings. Public use is still an offence. If police deal with you for smoking or using cannabis in a public place, the penalty can be over $1,000, depending on how the offence is handled and the current value of ACT penalty units.
This guide explains where the line is, what “public” usually means, and why the rules can feel confusing.
This article is general legal information only. It is not legal advice. Cannabis laws and penalty unit values can change, so check the current ACT law or speak with a lawyer if you need advice about a specific situation.
The short answer is that public smoking is not allowed
ACT cannabis laws are often described as “legalised”, but that word can mislead people. The ACT rules are narrow. They allow certain adults to possess and use small amounts of cannabis in private. They do not give people a general right to smoke cannabis in public.
A public place can include areas such as:
Streets and footpaths
Parks and reserves
Public beaches, lake edges, and picnic areas
Bus interchanges and light rail stops
Public car parks
Shopping centre common areas
Outdoor areas where the public has access
Event spaces and festival grounds
So if the question is, “Can I smoke weed in a Canberra park, on a footpath, near the lake, or outside a venue?”, the answer is no.
A common mistake is thinking cannabis is treated like alcohol. It is not. You might be allowed to drink in some public places unless a specific alcohol ban applies, but cannabis has its own rules. Public use remains prohibited.
The key distinction is private possession and private use versus public use. The first can be lawful if all ACT conditions are met. The second can still get you fined or charged.
What ACT cannabis law allows in private
The ACT changed its cannabis rules to reduce the risk of adults being criminally punished for small-scale personal use. That change did not create an open commercial cannabis market, and it did not legalise public consumption.
In broad terms, an adult in the ACT may be allowed to:
Possess up to 50 grams of dried cannabis
Possess up to 150 grams of fresh cannabis
Grow up to two cannabis plants per adult
Keep no more than four plants per household
Use cannabis in a private place, if other rules are also followed
Those limits matter. Going over them can move the situation into much more serious territory.
The plants also need to be grown within the rules. For example, they should not be accessible to the public. They also should not be accessible to children or young people. The ACT rules are aimed at small-scale private cultivation, not public growing, commercial supply, or unsafe storage.
There are also restrictions around children. Exposing a child or young person to cannabis smoke can create legal problems. Keeping cannabis where a child can access it can also be an offence.
So the practical rule is this:
Private use may be allowed for adults within strict limits. Public use is not allowed.
That means smoking cannabis in your own home may be lawful if you are an adult, stay within the possession limits, and do not breach other laws or expose children to cannabis smoke. Smoking cannabis at a public barbecue area, public lookout, shopping centre entrance, or sports oval is different.
The public smoking fine can be more than $1,000
The ACT uses penalty units for many offences. A penalty unit is a set dollar value used to calculate fines. Since penalty unit values can change, the exact dollar amount can shift over time.
For public cannabis use, the maximum penalty is commonly described in penalty units. If the offence carries a maximum of 10 penalty units, and a penalty unit is valued at $160, the maximum works out to $1,600.
That is why the answer is often given as: no, and the fine can be $1,000 plus.
Situation | What can happen |
Smoking or using cannabis in a public place | You can face a fine or other enforcement action. The maximum can be over $1,000. |
Possessing cannabis over the ACT personal limit | More serious penalties can apply. Police may treat it differently from low-level possession. |
Growing too many plants | You can lose the protection of the personal-use rules and face stronger penalties. |
Growing plants where the public can access them | This can create legal risk even if the number of plants is small. |
Using cannabis around children or storing it where children can access it | This can lead to separate offences. |
Driving after using cannabis | Road laws apply. Cannabis can remain detectable after the feeling of intoxication has passed. |
The exact outcome depends on the circumstances. Police may look at where you were, how much cannabis was involved, whether children were nearby, whether you were driving, and whether there were other alleged offences.
Do not assume that public use will only lead to a warning. A “small amount” does not make public smoking legal.
Why the law feels confusing
Cannabis law in Canberra is confusing because several things are true at the same time.
ACT law allows limited personal cannabis possession and use for adults. At the same time, public use is still illegal. Commonwealth law also still treats cannabis as a prohibited drug, which creates tension with the ACT system.
That tension is one reason the ACT model is sometimes called decriminalisation rather than full legalisation. It reduces penalties for certain private adult behaviour, but it does not create a fully legal market like some places overseas.
There are four big misunderstandings.
People think legal possession means legal public use
Possession and use are different legal issues.
You might be within the ACT possession limit while carrying cannabis. That does not mean you can use it in a public place. If you light up in a park or on a footpath, the public-use rule becomes the problem.
People think medical cannabis changes the public smoking rule
Medical cannabis can be lawful when prescribed and used according to the rules. But having a prescription does not usually mean you can smoke cannabis anywhere.
Medical cannabis patients still need to think about:
Public place restrictions
Smoke-free laws
Driving laws
Workplace rules
Rental or accommodation rules
The form of medication prescribed
If a doctor has prescribed cannabis, follow the prescription and ask the prescriber or pharmacist about lawful use. Do not treat a prescription as a public-smoking permit.
People forget about driving
Cannabis and driving is one of the biggest risk areas.
ACT road laws can apply if THC is detected or if a person is impaired. The complicated part is that THC can remain detectable after the obvious effects wear off. A person might feel normal but still face legal trouble if they drive.
That makes public smoking even riskier if a car is involved. Smoking in or near a parked car can raise questions about driving, possession, and public use.
People assume quiet places are private places
A quiet place is not always private.
A park at night is still a public place. A lakeside path with no one around is still public. A public car park with no other cars nearby is still public. The test is not only whether people are watching. It is whether the area is open to or used by the public.
Common Canberra examples
The rules become easier to understand when you apply them to everyday situations.
Smoking in your own backyard
This may be lawful for an adult if the cannabis was possessed within ACT limits and no other rule is breached. But be careful about children, neighbours, smoke drift, rental terms, and body corporate rules.
Smoking on an apartment balcony
This is riskier than many people think. The balcony might be part of a private residence, but smoke can affect neighbours. Strata rules, tenancy agreements, and nuisance complaints may still matter. If children are nearby or exposed to smoke, the risk increases.
Smoking in a park after dark
Still not lawful. A public park remains a public place after dark, even if it is empty.
Smoking at a barbecue area by Lake Burley Griffin
Not allowed. Public barbecue areas, lakeside paths, and picnic spaces are public places.
Smoking outside a music venue or pub
Not allowed if it is a public area. Venue rules and security may also apply. If the space is licensed or controlled by the venue, you may be removed as well as exposed to police action.
Smoking at a festival or public event
Not allowed unless there is some specific lawful arrangement, which is not the normal position. Most event spaces are public or controlled places with strict rules.
Smoking in a hotel room
This depends on the hotel’s rules and the law. Many hotels ban smoking of any kind. Cannabis possession and use rules still apply. A hotel room is not the same as a licence to smoke.
Smoking in a car parked on the street
This is a bad idea. The street is public, and the car creates extra risk around driving laws. Even if you do not plan to drive, police may ask questions.
What to do if police approach you
If police speak to you about cannabis in a public place, stay calm. Arguing about whether ACT cannabis is “legal” will not help if the issue is public use.
A sensible approach is to:
Stop using cannabis immediately
Stay polite and calm
Ask what offence they believe has occurred
Avoid making detailed admissions without legal advice
Ask for paperwork if a fine or notice is issued
Get legal advice if you are charged, fined, or unsure what to do next
If police issue a fine, read it carefully. Check the alleged offence, the due date, and your options. In some cases, a person may be able to pay, dispute, seek review, or attend court. The best choice depends on the facts.
If the incident involves driving, children, a larger amount of cannabis, or alleged supply, treat it more seriously. Those situations can carry heavier consequences than a simple public-use matter.
The safest reading of the Canberra rules
Canberra’s cannabis laws are more permissive than many other places in Australia, but they are not a free pass.
The safest summary is:
Adults may have limited rights to possess and use small amounts of cannabis privately in the ACT.
Public smoking or public use is still illegal.
The fine can be over $1,000, with a commonly cited maximum around $1,600 when calculated from 10 penalty units at $160 each.
Possession limits, growing limits, child safety rules, and driving laws still apply.
Medical cannabis does not usually allow public smoking.
If you remember only one thing, make it this: Canberra’s cannabis rules protect some private adult use, not public smoking. If the place is open to the public, do not light up there.
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