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Geothermal Therapy, LaStone, Massage types

Geothermal Therapy Association

GTA, is an association of Geothermal Therapy and Non-Thermal Geotherapy Practitioners, Educators, Vendors and Employers, supporting the safe use of stones combined with body work techniques as a method of wellness.

The association was formerly known as Stone Walkers Association, hence the web-address – Their Facebook page can be found at:

Geothermal Therapy includes the use of hot and cold stones in massage and therapeutic work. GTA also include those using non-thermal Geotherapy, such as energy work with stones and crystals.

The mission statement reads:
The Geothermal Therapy Association is dedicated to promoting the highest standards of professional protocol by establishing safe temperature ranges, hygiene and sanitation standards, recognizing specific contraindications, promoting professional ethics and integrity to protect clients worldwide.

Their Goals are:

  • GTA seeks to promote stone modalities to the public in the professional venue as a complimentary and holistic approach to wellness.
  • GTA has established an enrolment process that tests for competency to ensure that all established criteria is being met by all Board Certified members of this association.
  • GTA will continually educate the general public about proper safety techniques and protocols that must be employed during a treatment session involving temperature and direct body contact with stones, encouraging the client to seek out Board Certified Practitioners.

Those educated in LaStone qualify for GTA membership.

The creating force behind the association is Jenny Ray, a Native American Shaman who also works together with LaStone and offers LaStone workshops along with her own Stone Medicine classes. Her website can be found at: and is found on Facebook at:

About Pia Poulsen

Pia Poulsen is educated as a wellness massage therapist at Institut FIGARI in Paris, from where she passed her certification exam in January 2008. Since then she has expanded her skills to become the first Advanced LaStone® practitioner in France as well as a certified LaStone® instructor.


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