Hiking the "Dragon's Back"

Last weekend (on the Saturday following Thanksgiving), we went with some friends from school to Hong Kong Island to do the "Dragon's Back" hike. Apparently, it's one of the most famous hikes in Hong Kong (and has been named one of the "world's best urban hikes").
This particular hike gets its name from the landscape that it covers. It runs along a ridge for much of its course, and at times when you look behind you, the sandy-brown trail over the sharp green hilltops actually looks a bit like a giant dragon's back (although, as it's a mythical creature, I suppose it's anyone's guess what a dragon's back actually looks like):
Hiking across a ridge makes for a very breezy walk, and as it was a warm day, we enjoyed the cool wind that swept across much of the path. The height of this hike also makes for some stunning scenery (below is the town of "Shek O," on the Southeast corner of Hong Kong Island):
The hike took about 2 hours or so (I think it's about 7 km or so), and it gave us a chance to chat with some of our co-workers. Most of them we already knew (in fact, Rus & Mel - also pictured in our last Shenzhen post - will be traveling to India with us next month). But, one teacher (Mary) is new to ICS, and we got a chance to get to know her during our hike.

(from the left: Emily, Maria, Mary, & Mel)

We enjoyed both the company and the scenery. It is constantly surprising to us how varied the Hong Kong landscape is. Our hike took us through sub-tropical forest, wind-swept hilltops, and ultimately ended at a beautiful beach. All of these landscapes exist within 15 miles of Hong Kong's downtown area (which we all know is one of the most densely populated places on the planet).
We finished our hike at the appropriately named town of "Big Wave Bay," where we spent the next couple of hours lounging at a beach-side cafe. We watched the surfers until the sun went down, played cards for awhile, then had a great meal. Surprisingly enough, that evening was the first time in our 4+ months in Hong Kong that we've felt like we needed to wear jackets (and of course, we had forgotten to bring them).
This week's question (post a comment so Emily knows that you're still out there!):
We travel a fair bit, and even when we visit cities, we seek out green space. Can you recommend to us (and the rest of our readers) a good "urban hike?" (or really any hike within a half-hour's drive of an urban area?)