The gondola sits 6, but 4 will be comfortable. Not ventilation is bad, utilized only the small window open hence it can be quiet stuff. Beside this, you can realty enjoy the tranquil environment
Walk around the zoo then get the gondola to the top. Line up for the crystal floor cabin (not always available). Once you get to the top try one of the many tea houses around.
There are so many tea houses with great views of Taipei. Plan the night time views are amazing. Just beware that winds and rains will force the gondola to close
Nice scenery and definitely the best alternative if going up the mountain. NOT NICE IF WINDY! Take MRT (brown line) to Taipei Zoo Station and follow signs