I noticed extensive trails in this area of Mountain Park that was not shown as woods or parks or anything else in particular. I traveled from north to south on well groomed downhill trails.
Sunday, September 5, 2021
45.4334806, -122.7137222
google map 
45.4325917, -122.7125861
45.4312472, -122.7114556
45.4285062, -122.7132532
The adjacent development surrounded by Tanglewood Drive was the first plotted in 1968 at the founding of the Mountain Park. pdf
