| NAm-SunwaptaPass.Schweingruber.1996 | tree | 52° 18' 0", -117° 0' 0" |
| NAm-SunshineMeadows.Colenutt.1995 | tree | 51° 6' 0", -115° 48' 0" |
| NAm-Sugarloaf.Kenigsberg.2013 | tree | 60° 6' 0", -134° 24' 0" |
| NAm-STREC.Gennaretti.2014 | tree | 54° 12' 36", -71° 21' 0" |
| NAm-StarrigawanOldSitka.Kaiser.1996 | tree | 57° 6' 0", -135° 24' 0" |
| NAm-SpruceCreek.Church.1981 | tree | 68° 36' 0", -138° 36' 0" |
| NAm-SpillwayLakeYosemiteNationalPark.King.2000 | tree | 37° 48' 0", -119° 12' 0" |
| NAm-SouthernAlaskacomposite.D'Arrigo.2006 | tree | 56° 0' 0", -132° 0' 0" |
| NAm-SnowBowlSanFranciscoPeak.Briffa.2002 | tree | 35° 24' 0", -110° 12' 0" |
| NAm-SnakeCreek.Kenigsberg.2013 | tree | 59° 36' 0", -133° 24' 0" |
| NAm-SmithersSkiArea.Schweingruber.1996 | tree | 54° 54' 0", -127° 18' 0" |
| NAm-SmallRiver.Luckman.2001 | tree | 53° 12' 0", -119° 30' 0" |
| NAm-SleepingDeerRoad.Hughes.2005 | tree | 44° 36' 0", -114° 30' 0" |
| NAm-SignalMountain.Luckman.2001 | tree | 52° 54' 0", -118° 0' 0" |
| NAm-SiberianOutpostView.Bunn.2010 | tree | 36° 30' 0", -118° 18' 0" |
| NAm-ShermanCreekPass.Briffa.1996 | tree | 48° 42' 0", -118° 18' 0" |
| NAm-SheepTrail.Brown.2005 | tree | 41° 24' 0", -106° 12' 0" |
| NAm-SheepMountain.Graybill.1995 | tree | 37° 12' 0", -118° 6' 0" |
| NAm-SewardComposite.D'Arrigo.2006 | tree | 65° 12' 0", -162° 18' 0" |
| NAm-SettlementPointAfognakIsland.Harlan.1998 | tree | 58° 6' 0", -152° 42' 0" |
