Gliders are going to form a sort of inverted cone shape around their home airfield. Not a clever idea to fly overhead at or below 2000`as you will pass twice through the circuit and or training area.. . You may meet a glider anywhere, including making unannounced arrivals at your airfield from the wrong direction I`m afraid. Most Glider pilots do not have a Pooleys or similar and have no idea of your radio frequencies. If he is low, below 1000`, he is busy trying to dig himself out of a hole and may not be quite as concious of what is going on around him as he should be. Think of the panic you would be in at 1000` with a dead engine. Do not expect to see gliders only in your windscreen, many of them will cruise faster than you will.. . Most glider pilots will be keeping a better lookout than you are, we are used to flying in close proximity with others and are more concious of the risks - but don`t rely on it. Keep your own lookout, it`s surprising what you will see.. .. .Mike W . .. .P.S. If you have more than one seat in your aircraft, take a spare pair of eyes with you. Even a non-flyer is surprisingly good at spotting other aircraft in the air.