Plas Tan y Bwlch in Snowdonia is holding a residential walking holiday for Welsh learners on the 27th to 29th July. It will be lead by Catrin Roberts.
There isn’t a lot more information available at the moment, but if you’re interested keep an eye on http://www.eryri.llyw.cymru/study-centre/public-courses/course-details/walking/rambling-for-welsh-learners