Dear Lucas
Thanks for your advices!! I have revised my plan for Day 1 to Day 5 as follow, is this arrangement ok? Thanks a lot for all your help!!
Day 1: Spend more time in Meiringen
Day 2: If it’s too late to go to Trummelbach Falls on Day 2, shall put it on either Day 3 or Day 5.
Day 4: Add “hiking: Männlichen > Kleine Scheidegg” so as to take train from Kleine Scheidegg to Grindelwald
Day 5: In order to go to Jungfraujoch in the early morning, shall take train to Kleine Scheidegg for visiting Jungfraujoch, then going down for another short hiking to Wengernalp and visit Lauterbrunnen, probably Trummelbach Falls too.
Day 1
Luzern > Lungern (Train: 0905-0951, 46mins)
Lugenrn > Meiringen (Train: 1052-1116, 39mins): The Reichenbach Fall (can skip) & Aare Gorge
Meiringen > Brienz (Train: 1451-1502, 11mins)
Lake Brienz (Cruise: 1640-1753 visit Grandhotel Giessbach & Giessbach Falls)
Day 2
Schilthorn
Hiking: Allmendhulsel > Murren + Children Adventure Trail
Hiking: Grutschalp > Winteregg > Murren > Gimmelwald > Stechelberg > (optional: Trummelbach Falls)
Day 3
Harder Kulm
Schynige Platte
Hiking: Lauterbrunnen > Staubbach Fall > Stechelberg > (optional: Trummelbach Falls)
Day 4
Hiking: Männlichen > Kleine Scheidegg
Kleine Scheidegg > Grindelwald (Train: 39mins)
Hiking: First > Bachalpsee > First
Toboggan at Pfingstegg + Alpenspielplatz Bort (kid’s playground)
Grindelwald
Day 5
Wengen > Kleine Scheidegg (Train: 26m)
Jungfraujoch
Hiking: Kleine Scheidegg > Wengernalp
Lauterbrunnen > (optional: Trummelbach Falls)
Day 6
Wengen > Blausee (Train: 0833-1040, 2hr7m), ride a boat and have lunch
Blausee > Kandersteg (Bus: 1240-1256, 18mins), play Toboggan at Kandersteg (Rodelbaan)
Kandersteg > Spiez (Train: 1413-1444, 31mins)
Lake Thun: Spiez > Thun (Cruise: 1534-1620, visit Oberhofen at 1557, take bus to Hunegg and Schadau)
Day 7
Wengen > Gruyere (Train: 1203 or 1403)Gruyere