Here are Boulder hotels that have rooftop bars/terraces or rooftop pool areas with food & drink service (good for views of the Flatirons):

• St Julien Hotel & Spa — The Terrace (outdoor terrace with mountain/Flatirons views; on-site dining and cocktail service via Jill’s / T‑Zero). 900 Walnut St., downtown Boulder. (stjulien.com)

• Moxy Boulder (Marriott) — rooftop whirlpool/rooftop deck and on‑site Bar Moxy (cocktails/small plates); terrace seating with mountain views. 1247 Pleasant St. (University Hill). (marriott.com)

• Limelight Boulder — heated rooftop pool, rooftop lounge/poolside food & bar service; property also hosts Ajax Tavern and Limelight Lounge. 1295 University Ave. (The Hill). (New/recent opening; rooftop amenities highlighted on the hotel site.) (limelighthotels.com)

• Embassy Suites by Hilton Boulder — year‑round rooftop pool/rooftop terrace with mountain views plus on‑site Brickstones Kitchen & Bar. 2601 Canyon Blvd. (hilton.com)

Notes and nearby options

• Some historic downtown hotels (e.g., Hotel Boulderado) have popular patios/pool-adjacent dining but not a dedicated rooftop bar; check each hotel’s dining/terrace pages for the latest programming. (boulderado.com)
• If you’re open to non‑hotel rooftop restaurants/bars nearby, downtown Boulder has several (Avanti F&B, Rosetta Hall, Rio Grande, Corrida, etc.) with rooftop decks and Flatirons views.