Hidden Valley Springs Resort Day Trip from Manila. Escape from the hustle of Manila and enjoy a relaxing and restful respite at Hidden Valley Springs Resort. Take in the natural beauty and lush vegetation of this tropical region. Explore the resort’s massive crater, believed to have been formed by a violent volcanic upheaval thousands of years ago. Take a refreshing dip in one of the naturally heated, volcanic water pools. And enjoy a delicious buffet lunch of traditional Filipino cuisine. Manila hotel pickup and drop-off included. Book this Trip and Save 10%: Hidden Valley Springs Resort Day Trip from Manila.