If you park your car on Trail Ridge Road near the entrance to the subdivision and go to each cache in order (a counter clockwise loop on paved paths), the total walk will be just under a mile. It's a pleasant walk and there are benches and open spaces along the way. If you're discrete, you should be able to get the caches without attracting attention, but occasionally there will be too many muggles around and you'll just need to try again later.
Trying to drive to each individual cache in the series will probably result in no time savings. The idea is to park once and take a walk!
Cache #1 holds a log, but bring your own pen.
The next cache in the series is Wolf Creek Trails #2.