We rode the High Trestle trail in late Sept. It was excellent; a good trail even without the trestle, but with it---excellent. Also note though that there are a number of very nice rail trails in and around Des Moines. We rode 6 different trails in a week of vacation for a total of 300 mi. and enjoyed every minute of it. Of course hitting a week of perfect indian summer weather didn't hurt either. Wish we had trails like these in the South.
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