noun
observation point; observation site
A location where observations are made, such as for weather, astronomy, or scientific monitoring.
気象庁は全国に観測地点を設置している。
The Japan Meteorological Agency has set up observation points across the country.
この山の頂上は天体観測の観測地点として使われている。
The summit of this mountain is used as an observation site for astronomical observation.
観測所 is an observatory or observation station (often a building), while 観測地点 is a more general term for any observation point or site.
Compound of 観測 (observation) + 地点 (point, site).