Re: Recommended 5 day/100km walk in October
For once and just this once, I must disagree with Falcon.
1) Once you have your Compostela, you will need a very strong motivation to return a second time.
2) October should be good Fall season weather, one of my favorite seasons since I live in a desert country with few real forests. You should experience cooler weather, trees changing colors, and shorter days for walking.
Far too many trees in Galicia are eucalyptus which don't change color so I would choose an area with forests say Roncesvalles to Estella if you take a fancy to Pamplona (I do) or on to Los Arcos (if not). This will give you a first taste of tradition at Roncesvalles, a lovely Spanish town at Pamplona and the cathedral, the not so difficult climb to Alto Pedron and the statues, the "Templar" church at Eunate, Puente la Reina to explore, and Estella who's beauty must be sought out all with plenty of trees along the way, vineyards of Navarre and Rioja wine, and mountain views plus many good reasons to come back and do it again.