Colonnade of the Saint Isaac's Cathedral is the place where an amazing Saint-Petersburg view opens up. Around the cupola there are 72 columns from granite monoliths which weigh from 64 to 114 tonnes. It was the first time when such heavy columns were lifted up on more than 40 meters height. Saint Isaac's Cathedral is 101.5 meters high, from here an outstanding view on the Winter Palace, Admiralty, Saint Isaac's Square, Mariinsky Palace opens up.
Everyone came come up the colonnade and enjoy the panorama of Saint-Petersburg, but it is necessary to take in mind that the height of the colonnade is 43 meters (562 steps) and you should assess your strenght. Also you should remember that the weather in Saint-Petersburg is very changeable so you may need some warm cloth.