Actually, the real Annapurna Base Camp Trek is via Poonhill. There are two reasons why Annapurna Base Camp Trek via Poonhill. Proper AcclimatizationBefore one heads for Annapurna Base Camp(4160m), if the trekkers ascend Poonhill (3210m) via Ghorepani village (2880m), it will work as acclimatization for your body. You can taste your stamina if you can go to Annapurna Base Camp by climbing Poon Hill beforehand and you can practice the hiking at least for two days: Ulleri to Ghorepani and Ghorepani to Tadapani via Poonhill before heading to Sinuwa via Chhomrong. Most importantly, if you are fresher or a beginner and planning your Annapurna Base Camp, the best way to get ABC will be via Poonhill as you can be familiar with trekking trails and test your confidence level . You are well set to go ABC after you walk for two days beforehand heading to ABC. Majority of the people do like this and they can easily conquer over Annapurna Base Camp Trek via Poonhill. Better and Wider  Mountain ViewsActually, Poonhill (3210m) is considered to be the finest viewpoint to witness Annapurna massif, Dhaulagiri, Manaslu, Ganesh Himal, Lamjung Himal and many other alluring snow-fed summits which you cannot see from Annapurna Base Camp (4160m). What people see from Annapurna Base Camp are: Annapurna South and Machhapuchhre. So, majority of people who have been to both destinations: Poon Hill and Annapurna Base Camp prefer Poon Hill for more spectacular mountain views and stunning sunrise. Therefore, one who is going ABC from Pokhar should not miss Poon Hill as it will offer you a distinct taste of trekking/hiking with some really memorable moments. No Dhaulagiri and Manaslu mountains can be seen from Annapurna Base Camp but it is possible from Poonhill. Poonhill offers better and wider mountain views and sunrise/sunset views than Annapurna Base Camp.