Springbrook was a huge park with many ridable trails beyond those shown in open street maps.
Sunday, August 1, 2021
45.42146388888889, -122.70703055555556
google map 
45.42465277777777, -122.70637500000001
45.42263888888888, -122.70455833333334
45.41971944444444, -122.70410833333334
45.418524999999995, -122.701875
This dry creek was at the middle south end of the park. There is no way from whence it came or goes.
