Here are some resources related to deepening your spirituality in nature you might find useful.
SPIRITUAL PRACTICES IN NATURE
Chase, Steven. A Field Guide to Nature as Spiritual Practice. Grand Rapids: Eerdsman Publishing, 2011.
Coleman, Mark. Awake in the Wild. Enfield: Publishers Group UK, 2007.
Hamilton-Poore, Sam. Earth gospel : a guide to prayer for God's creation. Nashville: Upper Room Books, 2008.
Hamma, Robert. Earth's Echo: Sacred Encounters with Nature. Notre Dame: Sorin Books, 2002.
Newell, John Philip. Praying with the Earth: A Prayerbook for Peace. Grand Rapids: William B. Eerdmans Pub., 2011.
Roberts, Elizabeth and Amidon, Elias. Earth Prayers. San Francisco: HarperSanFrancisco, 1991.
Stanley, Bruce. Forest Church. Vestra: Anamchara Books, 2014.