Conversation so far:
What interesting information is there about Rasputin's religious conversion?
In 1897, Grigori Rasputin developed a renewed interest in religion and left Pokrovskoye to go on a pilgrimage.
Where did Grigori Rasputin go on pilgrimage to in 1897?
Grigori Rasputin visited the St. Nicholas Monastery at Verkhoturye in 1897.
Did Grigori Rasputin have a reason for going on pilgrimage, visiting St. Nicholas Monastery at Verkhoturye in 1897?
Grigori Rasputin reasons for for going on pilgrimage, visiting St. Nicholas Monastery at Verkhoturye in 1897 are unclear. Whatever his reasons, Rasputin's departure was a radical life change.

Question: How old was he when he went on pilgrimage?
Self-contained rewrite: How old was Grigori Rasputin when he went on pilgrimage, visiting St. Nicholas Monastery at Verkhoturye in 1897?