Data Source

https://www.nps.gov/yell/planyourvisit/utms.htm

suppressPackageStartupMessages( library(knitr) )

YellowStone Point of Interest LON LAT

Original Data

POI LON LAT
Center of the Park -110 30 03.93 (Long) 44 36 53.25 (Lat)
Old Faithful -110 49 41.59 (Long) 44 27 37.31 (Lat)
Mammoth Hot Springs -110 42 03.37 (Long) 44 58 34.79 (Lat)
East Entrance -110 00 13.80 (Long) 44 29 18.42 (Lat)
North Entrance -110 42 31.32 (Long) 45 01 46.39 (Lat)
Northeast Entrance -110 00 04.62 (Long) 45 00 12.09 (Lat)
South Entrance -110 39 52.83 (Long) 44 07 56.97 (Lat)
West Entrance -111 05 49.87 (Long) 44 39 30.27 (Lat)

YellowStone POI

POI LON LAT
Center of Park -110.5011 44.61479
Old Faithful -110.8282 44.46036
Mammoth Hot Springs -110.7009 44.97633
East Entrance -110.0038 44.48845
North Entrance -110.7087 45.02955
Northeast Entrance -110.0013 45.00336
South Entrance -110.6647 44.13249
West Entrance -111.0972 44.65841

YellowStone leflet Plot

suppressPackageStartupMessages( library(leaflet) )

poi %>% 
    leaflet() %>% 
    addTiles() %>% 
    addMarkers(popup=poi$POI)
## Assuming "LON" and "LAT" are longitude and latitude, respectively

End