There is a clear trail mostly consisting of stairs leading up to Xiangshan.
Most stunning views of Taipei during the day and by night!
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The little coffee shop at the start of the trail...
no guide needed
Xiangshan is very easy to reach as it has its own metro station. From there, walk about 5 minutes towards the south and you can start up the trajectory to Xiangshan which might take a total of 40 minutes or less. It is very steep with a lot of steps, but other than that an easy hike uphill. It is safe and you will be rewarded with beautiful views!
Masses of tourists and steep stairs. But overall very friendly.