This is actually pretty simple. Tie both ends up as high as you can. Fill the pipe with water. Drop the pond end in the water. Take the lower end to the ground in a "J" (the "J" prevents it from drawing air back).

Now burp it. Go to the high point and lift it to waist level. Walk that hump down to the lower end, you will be able to feel it fill as you go. Don't go to fast, let it fill. Put that "J" back in.

As it runs there will be a gas build up at the high point. Just burp it again.

You can thank my Navy damage control training for that. We had a retired NASA engineer that worked on getting a siphon for four hours and failed, I did it in 1/2 hour.