Access Yellow is a hiking trail in Bedford, Massachusetts. It is within Buehler Ponds. It is 0.3 miles long and begins at 197 feet altitude. Traveling the entire trail is 0.4 miles with a total elevation gain of 38 feet. Near the trailhead there is parking. The Big Tooth Aspen tree can be seen along the trail. The trail ends near the Great Buehler Pond, Little Buehler Pond, and Pond waters and the Buehler Ponds and Buehler Ponds conservations.