pilgrimage to the three main Kumano shrines
Refers specifically to the traditional pilgrimage to the Kumano Sanzan (熊野三山): Kumano Hongū Taisha, Kumano Hayatama Taisha, and Kumano Nachi Taisha. Historically significant and still practiced today.
See also: 熊野三山
The Kumano pilgrimage has been undertaken by many people since the Heian period.
Next month, I plan to go on a Kumano pilgrimage with a friend.
General term for visiting a shrine or temple; 熊野詣で is a specific pilgrimage to the Kumano shrines.
Standard spelling for the pilgrimage to the Kumano shrines.
Variant spelling without the okurigana で; less common but still encountered.
Compound of 熊野 (Kumano, the region) and 詣で (もうで, a noun form of 詣づ meaning 'to visit a shrine'). The reading もうで is an older form of まいり (参り).