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« on: November 09, 2017, 12:45:46 pm »
I'll add a few more notes on this route on the sections that we followed for self supported folks. Without a sag wagon in tow I'd opt for a different route from the coast to Sisters on the other side of the Cascades. Even though we avoided highway 20 out of Newport for about the first 15 miles we did eventually end up climbing on 20 for several miles and it's like riding on an interstate highway. It looks like Howard found some much better back road options to the north but riding through Corvallis sets you up awkwardly for the 60 or so miles between services (most of it climbing) over Tombstone and Santiam passes. I rode the TransAm 30 years ago and, while longer, it's just a better route through these mountains. Starting in Astoria will get you a few days of riding on the coast with a much easier ride over the coastal range or if you're pressed for time then starting in Florence (south of Newport) would be better (it's an option on the TA maps). If the road is passable then Mackenzie Pass is the far superior route but if the pass is closed and you have to take Santiam Pass at least you have services along the way as you won't be climbing Tombstone. Santiam Pass is effectively the merger of three highways and a major trucking route. In late May the shoulder was still covered in gravel which they use for traction during the winter months. This meant that we were often forced to ride out in the lane as trucks flew by at 60 mph. To be avoided if possible, even if you might have to slog through a few hundred yards of snow at the top of Mackenzie.
Other observations:
In Idaho, HWY 55 between Horseshoe Bend and Banks can get busy with weekend traffic. Shoulders are tiny and traffic is fast through a windy canyon. Best to not find yourselves out there headed north on a Friday afternoon.
We rode from Garden Valley, ID to Stanley in a day and that turned out to be a big grind for loaded cyclists, especially with bad winds for the final 20 miles. There's one lodge about 5 miles out of Lowman but nothing else. Best to start in Lowman and not Garden Valley to chop about 30 miles of climbing off of your day.
We had originally planned on riding through Ketchum/Sun Valley like Howard did. We didn't because of time constraints and rode from Stanley to Mackay in a day with unfavorable winds. They took the correct route. Sun Valley and Craters of the Moon is a better option for self supported cycling.
Again, for self supported cyclists, the stretch from Arco to ID Falls is a hydration challenge. There's a rest area with water about 10 miles out of Arco but from there you're on your own. There are some never ending climbs and the 20 mph crosswind wasn't much fun. Not a tree ever in sight so don't expect shade. We were fortunate to have a car pull over and offer us water about 20 miles before ID Falls.
From Swan Valley, ID you have the option of riding over two passes to get to Jackson or an easier route that's about 20 miles longer. We were told that Teton Pass was very steep so we thought we'd save our knees. We didn't anticipate 20 mph headwinds from Alpine to Jackson though. That was our intro to the winds of Wyoming. Watch out for that if taking the longer route though we ran into a cyclist who said that the prevailing wind through that canyon is usually a tailwind. If there's any way to check the current/forecasted wind out of Alpine from Garden Valley that would be helpful. If it's out of the south then avoiding Teton Pass on loaded bikes might be a good call.
This route in the section that we followed it from the OR coast to central WY offers a bit of a shortcut for those riding the TransAm route but you do spend a lot of time on the TA route. I recommend having at least maps 1 and 2 from the TA. They're full of invaluable info like the free hostel at the church in Dayville, OR or camping next to the firehouse in Crowheart, WY (map 3 maybe?).