Overview
The Astra Sky River is the sophisticated successor to the original Astra, elevating the "Hotel-Style" living concept to a new peak. Completed in December 2021 by the Ornsirin Group, it is currently one of the most Instagrammed buildings in Northern Thailand. Its centerpiece is the 156-meter-long rooftop infinity pool, which mimics a river in the sky and offers staggering panoramic views of the city and Doi Suthep.
The design philosophy is "Modern Lanna," blending bronze accents and fine fabrics with sleek, high-tech infrastructure. It sits further south on Chang Klan Road than its predecessor, placing it closer to the quiet riverside district while remaining minutes away from the Night Bazaar.
Developer
Ornsirin Group developed this project as their flagship luxury residence. Having learned from the original Astra, Sky River features improved communal spaces, including dedicated Co-Working and Co-Living zones on the 17th floor. The management is professional and used to a high-class, international clientele, though the building's popularity with short-term tourists can make the lobby feel like a 5-star hotel transit hub.
Location & Transit
Sky River occupies a prime spot on Chang Klan Road, offering a slightly more "local-luxe" feel than the denser bazaar area further north.
| Station | Line | Distance | Walk | Motorbike |
|---|---|---|---|---|
| Chang Klan Rd | Main Hub | 0m | 0 min | 0 min |
| Night Bazaar | Shopping | 2.3km | 28 min | 6 min |
| Tha Phae Gate | Old City | 2.8km | N/A | 7 min |
| Airport (CNX) | Flight | 4.0km | N/A | 10 min |
Tip: A 7-Eleven and the popular Wooden Door Cafe are located directly across the street, making daily errands effortless even without a vehicle.
Nearby Landmarks
- Art in Paradise Chiang Mai - 390m (Popular 3D art museum and photo spot).
- The Pantip Lifestyle Hub - 500m (Shopping and IT retail hub).
- Sacred Heart Church - 550m (Historic landmark and community church).
- Shangri-La Hotel Chiang Mai - 750m (Adds prestige to the neighborhood; great for 5-star dining).
Unit Types
| Type | Size | Notes |
|---|---|---|
| Studio | 29 sqm | Compact luxury with smart-home features as standard. |
| 1 Bedroom | 35 - 42 sqm | High demand for rentals; features sliding glass partitions. |
| 1 Bedroom Plus (Garden) | 44 - 48 sqm | Extended layout with private garden access; rare for high-rises. |
| 2 Bedroom Plus | 73 - 74 sqm | Spacious corner units with mountain (Doi Suthep) views. |
| 3 Bedroom | 96 - 98 sqm | Among the most modern family-sized options in the city center. |
Facilities
The Sky River (Rooftop):
- Infinity Pool: At 150+ meters, it's one of the longest rooftop pools in Thailand, perfect for actual swimming or sunset viewing.
- Sky Fitness Center & Sauna: High-floor gym with panoramic views and dedicated sauna.
- Steam Room & Sky Lounge: Relaxation facilities with city views.
- Sun Terrace & Garden Viewpoint: Landscaped rooftop area for lounging.
Services:
- Grand Lobby: Lanna-Modern reception with 24-hour concierge.
- Co-Working & Co-Living Spaces: World-class workspace on the 17th floor for remote workers.
- Library & Meeting Rooms: Quiet, scenic spaces for focused work.
- On-site Coffee Shop & Minimarket: Daily convenience without leaving the building.
Security:
- 24-hour security and CCTV, face scan / fingerprint and RFID access, EV charging stations, and covered parking with approximately 45% ratio.
Pros
- The Sky River Pool - Truly one-of-a-kind. At 150+ meters, it's one of the longest rooftop pools in Thailand, perfect for actual swimming or just sunset viewing.
- Premium Finishing - Units feature high-spec appliances, washer-dryers, and "smart" home features as standard.
- Modern Nomad Facilities - The Co-Working space and Library on the 17th floor are world-class, offering a quiet, scenic place to work.
- High Security - RFID doors, face-scan technology, and 24/7 guarded presence make it one of the safest buildings in the city.
Cons
- "Tourist" Vibe - Like its predecessor, the building is extremely popular on Airbnb. It can feel busy with families and travelers, leading to crowded pool areas.
- Sunbed Shortage - With over 500 units, the rooftop only has a limited number of sunbeds, which are often claimed early in the day.
- Noise Factor - Because there are many holidaying families, soundproofing between units is decent but noise from hallways can occur.
- Strictly No Pets
Best For
- Luxury Digital Nomads - Who want 5-star amenities, high-speed fiber, and a dedicated workspace.
- Families - The 2 and 3-bedroom suites are among the most modern family-sized options in the city center.
- Short-Term Vacationers - Who want the "best" pool in Chiang Mai.
The Bottom Line
The Astra Sky River is "The New Landmark." It represents the transition of Chiang Mai toward high-end, metropolitan living. While it trades away "local charm" for international luxury, the quality of the facilities - especially that rooftop - makes it a premier choice for those who want the absolute best of modern Chang Klan.
Last verified: February 16, 2026. Data sourced from Ornsirin Group and Physical Site Audit.