Following is a summary of information provided at the Two Rock
Historical Marker Dedication on July 16, 1994. The marker is
located on Bodega Avenue, near the TRACEN, across from the two
rocks. In 1853, a United States Post Office was established here
at the crossroads of what was then called the town of Two Rocks.
Dos Piedras, meaning Two Rocks in English, somehow became
singular, Two Rock, in translation and in the naming of the Post
Office. Dos Piedras goes way back to pre-Spanish days when the
rocks served as a landmark and reference point along the ancient
Indian trail that ran from Bodega Bay to the inland valleys and
into the Sierra. The trails, tend to follow along the ridgelines
and high ground because most of the flat land was swampy and
muddy. Dos Piedras was referred to time and time again in the
earliest annals of Native American migrations and seasonal
travels. The Dos Piedras trail was used extensively by the
earliest Spanish explorers and settlers, traveling to and from
Bodega Bay, the only se