terroir high line is once again open for the season. 12 noon 'til 8:00pm Wednesday thru Sunday. We go 7 days a week starting Memorial Day weekend. Hours go to 12 noon 'til 9:00pm on June 1st. Please note: Terroir | High Line is first come, first served, no reservations or phone. riends of the High Line raises 98% of the High Line's annual budget. Owned by the City of New York, the High Line is a public park maintained, operated, and programmed by Friends of the High Line, in partnership with the New York City Department of Parks & Recreation. Our Mission Through excellence in operations, stewardship, innovative programming, and world-class design, we seek to engage the vibrant and diverse community on and around the High Line, and to raise the essential private funding to help complete the High Line's construction and create an endowment for its future operations.