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    The content on this page is for general educational purposes and does not constitute legal advice. Every legal situation is unique. For matters involving investigation, arrest, litigation, or formal proceedings, consult a qualified legal professional.

    Mining
    severe offence

    Illegal Mining Operations in Thailand

    Conducting mineral exploration or extraction without a valid mining concession or permit.

    Last updated: February 2026
    Legal Sections

    Minerals Act Section 43, Minerals Act Section 108

    Maximum Penalty

    Up to 3 years imprisonment and/or fine up to THB 300,000, plus equipment confiscation

    Severity Level

    severe

    Definition

    Conducting mineral exploration or extraction without a valid mining concession or permit. Under Thai law, this offence is classified as a severe offence within the category of Mining.

    Elements of the Offence

    For a conviction, the prosecution must prove all of the following elements beyond reasonable doubt:

    1

    Extraction or exploration of minerals

    2

    Without a valid concession or mining permit

    3

    On any land in Thailand

    Penalties

    Maximum Penalty

    Up to 3 years imprisonment and/or fine up to THB 300,000, plus equipment confiscation

    Actual sentences depend on factors including the severity of the conduct, harm caused, prior convictions, and mitigating circumstances. Courts have discretion to impose lesser sentences within the statutory range.

    Possible Defences

    The following defences may be available depending on the circumstances:

    Valid mining concession held

    Prospecting permit for exploration only

    Mineral rights under separate legislation

    Note: The availability of defences depends on specific facts. Professional legal advice is essential.

    For Foreigners

    Special Considerations for Foreign Nationals

    Foreigners cannot hold mining concessions directly — must operate through a Thai-majority company or with BOI promotion.

    When Legal Representation Matters

    If you are accused of illegal mining operations or facing investigation, immediate legal representation is essential to protect your rights and build an effective defence.

    Anglo Siam Legal provides experienced legal services across Thailand for both Thai nationals and foreigners.

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