rec.windsurfing - join
Riding the waves as a hobby.
Low activity, 686 subscribers, Usenet

alt.surfing.longboard - join
Low activity, 55 subscribers, Usenet

alt.surfing.hawaii - join
Discussion relevant to surfing in Hawaii..
Low activity, 13 subscribers, Usenet

Surfers of Superior - join
This is a members only forum. Main purpose is to share rides and information of surfing on the Great Lakes with trusted "Fresh Water Surfers". Lake surfing info can be found at: superiorsurfclub.com ; home.comcast.net/~1jonk ; thirdcoastsurfshop.com ; surfdalake.com ; network54.com/Forum/406988
Low activity, 40 members, restricted

alt.bmx - join
Discussion of all aspects of the subculture of riding BMX bikes.
Low activity, 81 subscribers, Usenet

rec.skiing.snowboard - join
Snowboarding technique, equipment, etc.
Low activity, 327 subscribers, Usenet

alt.alien.vampire.flonk.flonk.flonk - join
Something about simoN.
Low activity, 203 subscribers, Usenet

alt.infertility.parenting - join
For the discussion of all aspects of parenting
Low activity, 241 subscribers, Usenet

rec.skiing.alpine - join
Downhill skiing technique, equipment, etc.
Low activity, 441 subscribers, Usenet

alt.mountain-bike - join
Use rec.bicycles.off-road instead.
Low activity, 614 subscribers, Usenet