Auli is a littele gem in Gahrwal. Its 16km from Joshimath. I visited Auli during march 2013. The moment you will enter the compund of GMVN Auli resort its a different world altogether. I haven't seen the himalayan peaks so close before. The trishul, the Nandadevis were tantalizingly close.
Since its almost 10K feet abve sea level, one day should be kept to get used to the thin air at high altitude.
On the second day we went for a trek till Garson bugyal. The trek was amazing. As we climbed up the snow increased, and the view got better. We almost trekked for 4 hours.
There is also a chair lift service from GMVN till the cliff top resort Auli. It costs 300 rupees per person both ways, but its not worth. Its better to trek and enjoy the views