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The Henry Street salamander tunnels are two amphibian tunnels in Amherst, Massachusetts built in 1987 to assist salamander migration between their overwintering grounds and their breeding grounds, an annual courtship event known as the Big Night. Before tunnels were built, spotted salamanders were often crushed by vehicles as they crossed Henry Street. The salamanders winter on the east side of Henry street and cross to the west side in the spring to breed in the vernal pools that form there.
In the early 1980s, volunteers carried salamanders across Henry Street in buckets to protect them from traffic. In 1987, a German drainage company built tunnels under the street to assist the salamander migration. The town still uses volunteers to help any salamanders who miss the tunnel; they also temporarily close the street when the migration is underway. There are two tunnels spaced 200 ft (61 m) apart, and they were the first amphibian tunnels in the United States.