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Observatory – Cow Pond Loop Professional Review and Guide
"Pacific Union College is nestled in the hills above Napa Valley in the heart of Angwin. The college is surrounded on the north and east by Howell Mountain and is adjacent to Las Posadas State Forest. The trail system, popular with mountain bikers, is a maze of fire roads and rolling single tracks that weave through Howell Mountain and down into Pope Valley. This trail loops around the west end of the open space above Mill Valley. The hike begins on a wide dirt road and loops around a large cow pasture, passing a man-made pond and an observatory. Keep in mind that these trails are on private land and hiking privileges can be revoked at any time. Please be respectful to insure that the trails remain open for public use."
--Robert Stone, Day Hikes Around Napa Valley (Day Hike Books).
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