After the last long climb has been overcome, you simply let the bike roll downhill through the giant trees for miles and be amazed. One of the absolute highlights of the entire Pacific coast.
"In 1969, President Nixon dedicated this grove to former First Lady, Lady Bird Johnson, for all of her conservation and environmental work. It's a beautiful walk that winds through a mixed forest of redwoods and other tall conifers."
nps.gov/places/lbjtrailhead.htm
This is the very best and most beautiful trail for viewing big, tall redwood trees. The path is a little uneven, and there is some altitude gain, but very well worth it.