Amalga Barrens ADDRESS & CONTACT Address 2933 West 7000 North, Smithfield, UT 84335 Web Visit Our Website The Amalga Barrens is a salt playa wetlands habitat several square miles in area with little human activity. Expect to see marsh birds, birds of prey, and many shorebirds. This site is on private lands, please stay on the road to view wildlife. LOCATION ON MAP Home » Things To Do » Birding Areas » Amalga Barrens NEW SEARCH