In almost every country where is rock is usually some climbing community. There are lot of local websites about climbing, but not every has a climbing forum, where you can speak with climbing community in this country. Here is list of climbing forums:

Argentina

?

Australia

www.chockstone.org/Forum/Forum.asp - Climbing in Victoria region

www.thecrag.com/climbing/australia/forum

www.climberswa.asn.au/forum/

Austria

www.bergsteigen.com/forum

Brazil

www.escaladabrasil.com/osite/modules.php?name=Forums

Canada

ontarioclimbing.com/forum/

www.climbeasterncanada.com/

squamishclimbing.com/squamish_climbing_bb/

www.gravsports-ice.com/icethreads/ - forum about ice climbing and also mountaineering

China

?

Croatia

www.planinarenje.net/forum/forum.php

www.hps.hr/forum/

Czech Republic

www.lezec.cz/diskuse.php

Finland

www.slouppi.net/phpBB3/ - bouldering

www.relaa.com/forum

http://www.climbing.fi/skil/

France

?

Germany

forum.klettern.de/forum/klettern-bergsteigen-und-klettern/

forum.climbing.de/

Greece

www.routes.gr/Community/viewforum.php?f=1

climbkalymnos.com/bbpress/

www.climbincrete.com/modules/forum/index.php

Iceland

?

India

?

International

www.mountainproject.com/forums/

www.summitpost.org/phpBB3/

www.rockclimbing.com/cgi-bin/forum/gforum.cgi

www.8a.nu/

Ireland

forum.climbing.ie

Italy

www.forum.planetmountain.com/phpBB2/index.php

www.falesia.it/Forums.html

www.gulliver.it/forum/

Japan

?

Mexico

?

New Zealand

climber.co.nz/forum

Norway

www.friflyt.no/Forum/Klatring

Poland

brytan.com.pl/forum/

wspinanie.pl/forum/

Portugal

?

Romania

hwww.carpati.org/forum/

Russia

?

Slovakia

www.climb.sk/forum/

Slovenia

?

South Africa

www.climbing.co.za/forum/

South Corea

www.koreaontherocks.com/forums/

Spain

desnivel.com/foros

www.yumping.com/foro/escalada

Sweden

?

Switzerland

www.kletterportal.ch/forum

Turkey

?

United Kingdon

www.ukclimbing.com/forums - Probably most popular climbing forum in UK

www.ukhillwalking.com/forums - Forum more about hiking, but I think that mountaineering can be also here

Ukraine

?

United States

www.mountainproject.com/forums

www.rockclimbing.com/cgi-bin/forum/gforum.cgi

www.supertopo.com/climbing/forum.php

 

I'm going to submit information about some websites about climbing. If you can recomend any, leave an info in comment or send me an email.