I am aware of the fact that deepening retreats are for regular meditators who already have experience from regular weeklong Acem Meditation retreats, and who are prepared to participate in the entire retreat.
Acem International School of Meditation
Head office Huitfeldts gate 49, Oslo
Postal address Box 2559 Solli, NO-0202 Oslo, Norway
Phone +47 23 11 87 00 (10 - 15 CET)