The first half of following instruction also apply to bus 1841. But bus 1841 will arrive at Songshan Airport instead of Nangang station as bus 1843.
Take GuoGuang (國光) bus 1843 to Nangang station (which is also the last stop of this bus route, it took 50 min- 1.5 hour, depend on traffic).
Bus ticket should be bought at ticket windows of GuoGuang (~10 meter from bus terminal) before aboard the bus, if you do not have an EasyCard.
Bus driver will ask you where you want to go to arrange space for your luggage, just say "Nangang station" in English.
To go to bus station, follow the "Bus to city" or "Bus station" sign:
GuoGuang 1843 bus, route and schedule
Once arrive at Nangang station, switch to Taipei MRT (~ 5 min walking distance).
And take Taipei MRT Bannan (Blue) line from Nangang station to Houshanpi station (two stop, ~ 3 min) GreenWorld hotel is 40 meter from exit 3 at Houshanpi station.
Info on Taipei MRT (Take BL22 (Nangang) to BL20 (Houshanpi))
