Hi travelplannr -
First- a correction to my earlier post- I wrote mistakenly -
<<"For certain special scenic trains, including the Glacier Express, and only the special cars on the Golden Pass route, reservations are NOT necessary. If you want to ride in the special cars on the Golden Pass route, reservations are certainly a good idea.">>
I should have written <<" EXCEPT for......">>
I apologize if I caused any confusion.
I notice that you chose April 10th for your schedule check.
It is good idea to check the actual date that you plan to travel, especially as there may be seasonal changes in May.
I looked up the Glacier3000 website and note that the Winter activities are listed for October through May. In most high alpine areas, the snow at the end of may is not too good for skiing....don't know about conditions at Glacier 3000. It may be at high enough altitude to be OK for what you want to do.
I have looked at some maps, including one from the Glacier 3000 web site, which is a *.PDF;
Good panoramic map.
This link from Mapsearch.ch shows the general location. If you zoom in, you can see the train line details. If you turn on "Traffic" in the "Points of Interest" menu, you can display public transport stops.
Mouse over the icon for the public transport stops, and you get transport schedules at that stop in the near future.
Mapsearch.ch for some reason does not show altitudes, useful for judging weather ....colder at higher altitudes and Winter lasts longer than in the valleys. So, I added a link to SwissTopo, the most comprehensive map with many optional details:
map.geo.admin.ch/?topic=ech&lang=en&bgLa yer=ch.swisstopo.pixel karte-farbe&layers=ch.bav.ha ltestellen-oev,ch.swisstopo.swiss tlm3d-wanderwege&X=133631.00 &Y=582063.00&zoom=6
That will give you the lay of the land. As you note, Col du Pillon and les Diablerets are not on the main "Golden Pass " route between Montreux and Interlaken.
The rail line to les Diablerets is a branch line from the main line in the Rhone Valley running up from Aigle. Many of those lines are very scenic. I have riden the one up to Villars a few times, but not the one to les Diablerets.
The bus #180 runs from les Diablerets past Col-du-Pillon, with a stop at the cable car for Glacier 3000, and onward to Gstaad and Saanen. ( The "Navette" is a small bus on some routes when there are few passengers. One definition that I found is "shuttle bus" Maybe the Glacier 3000 place has a shuttle bus? I did not look further.)
If you spend time on the Mapsearch.CH map, using the menus, with Traffic and Public Transport Stops turnd on, you can see the stop at the cable car. It is most likely a "halt on demand" stop....I did not easily find it on the on-line timetable.
Bus #180 seems to run about once per hour, only during midday hours. Limited service! -
www.sbb.ch/en/buying/p ages/fahrplan/fahrplan .xhtml?suche=true&ab=true&lan guage=en&vias=&webshop PreviewMode=inactive&v on=Les+Diablerets%2C+g are&nach=Col-du-Pillon&viaField1=&datu m=Wed%2C+24.05.2017&ze it=09%3A00
So, you are right about the bus, but it may not be available when you want it.
I note that Glacier 3000 has a "contact" form. I'd ask them about the bus connections.