Quinebaug Valley Trout Hatchery is 1.7 mi. n.w. of I-395 exit 89 via SR 14, following signs to 141 Trout Hatchery Rd. One of the largest fish hatcheries east of the Mississippi, this is the first to use round tanks. About 600,000 trout are raised annually; glass walls in the visitor center allow viewing into the hatchery. Informational exhibits also are displayed.