...with Joel Pomerantz
They're really nice, warm hoody sweatshirts…and they map out the Wiggle! Buy one while supplies last.
Telegraph Hill was not named for the familiar electrical telegraphic communication system, but for something more primitive. >>
- Karen Ulring
- Dan San Souci
Walk the Wiggle Tour
- Shawn Lani
Check tour weather
learn to predict!

Thinkwalks explore the overlap of urban and natural San Francisco. Life in the city, don't forget, is life in a natural environment. The valleys and waterways may be filled in or paved over, but they still exist. Clues to their influence are all around us—especially when nature burps. Earthquakes, rainstorms, even the ever-present wind are forces still shaping the land and our habits. Cultural and political forces have heaved against the land forms, too—and for thousands of years! Human history is clearly part of nature's big picture. Come scrutinize evidence about what really transpired. Let's look at how SF got to be what it is. Thinkwalks are a chance to understand natural patterns in the broadest sense so we can shape our collective future wisely.
Recently on Thinkwalks Blog...
Here are comments and reviews of Thinkwalks 2010 events that were submitted before this blog existed. I’ve included most of the ones from Yelp, because often they disappear—removed by Yelp automated filters for reasons which may include suspicion over the reviewer’s arrival at Yelp’s site through that very link. (Maybe they assume it’s a set-up.) more »
Please write your review of Thinkwalks 2010 events in the comment section of this post. Please be as specific as possible, so others can benefit (including myself). If you have a difficult Thinkwalks experience or a suggestion, it will be here for all to see, which I welcome. I’d like to amend my defects. I more »
- Joel Pomerantz
Thinkwalks guide & researcher
Thinkwalks by Joel Pomerantz is licensed under a Creative Commons Attribution-Noncommercial-Share Alike 3.0 License. This means you may reproduce items found on thinkwalks.org, but only with attribution, and only for nonprofit uses which declare this same licensing. Please also consider sending Joel links to wherever you use the material.