Classes of Russian Near Moscow:
Arkhangel'skoye estate
20 minutes by mini van from Tushinskaya metro station
http://www.arkhangelskoe.ru/info/56.php
photos http://www.sanatoryarkhangelskoe.ru/about/gallery/landscape.html
Istra
(30 km north-west of Moscow ~40 min by commuter train from Tushino)
Classes are held in a water park (500 rubles per day) in a resot house Ognikovo (info in Russian) http://www.ognikovo.ru/
Restaurants are available, but a takeaway snak with tea-coffee is recommended.
Classes of Russian outside Moscow:
Monrepos Park www.parkmonrepos.org
Information in English http://www.parkmonrepos.org/node/252
Assistance in arranging a tour.