It takes 1 minute to walk from the Miho Shrine to the first torii (about 15 minutes of walking).
More information about Miho Shrine is here
It's a 5-minute walk from the Miho Shrine to the base, and a 30-minute walk to the summit.
Bukkokuji Temple, said to have been built by Saint Tokushitaka. It is also known as the temple where Emperor Go-Toba and Emperor Godaigo stayed when they traveled to Shikoku. There are five statues of important cultural properties here, which are said to be the oldest Buddhist statues in the Shimonin region. 3 minutes on foot from the Miho Museum (about 10 minutes on foot for sightseeing)