Open playMahj Play at the J
JCC Denver
JCC Denver · Denver, CO
Play sessions in JCC seasonal sessions. Advance registration required.
17 places
Denver 8
Open playOpen playMTWTFSSMile High Mahjong Open Play
Mile High Mahjong
Postino 9CO · Denver, CO
Open Play Fridays 11:30am at Postino 9CO (Oct 23, Nov 6, Nov 13 2026). Other sessions such as Sun Oct 18 at 3pm.
Open playMTWTFSSOpen Play at Broderick
8 Flowers Mahjong
Broderick · Denver, CO
About monthly on a weeknight, usually Wednesday, 5:30-8:30pm (Dec 2025 – Oct 14 2026).
ClassBeginning Mahjong
JCC Denver
JCC Denver · Denver, CO
Multi-week course in JCC seasonal sessions (Fall 2026 from Aug 14, Winter from Nov 20 2026, Spring from Mar 12 2027). Register online.
ClassIntermediate Mahjong
JCC Denver
JCC Denver · Denver, CO
Three-week course in JCC seasonal sessions. Register online.
InstructorMTWTFSSMile High Mahjong
Various Denver venues (Cholon Sloan's Lake, Postino 9CO, Olive & Finch Golden Triangle) · Denver, CO
Learn to Mahj lessons and Guided Play on the site calendar. Tuesday league 6-8pm at Olive & Finch, Oct 27–Nov 17 2026.
InstructorMountain Mermaid Mahjong
Denver, CO
2.5-hour lessons and guided play at the client's home, club or office in South Metro Denver. Book ahead.
InstructorRocky Mountain Mahjong
Denver, CO
Beginner, private and group lessons; Mahj Mentoring; weekly open play in Denver, booked online. The Monday Mahj Club league is members-only.
Boulder 3
Open playMTWTFSSMah Jongg Game Play at Boulder JCC
Boulder JCC
Boulder JCC · Boulder, CO
Ongoing: Mondays 9:30am-12pm and Wednesdays 5:30-7:30pm.
ClassMTWTFSSMah Jongg Beginner Lessons (Evening)
Boulder JCC
Boulder JCC · Boulder, CO
Tuesdays 5:30-7:30pm, Oct 13–27 2026 (three weeks).
TournamentMTWTFSSGrateful Dragons American Mah Jongg Tournament
Colorado Mah Jongg
Boulder JCC · Boulder, CO
Wednesday Nov 11 2026, 9am-4pm
Centennial 2
Open playMTWTFSSAmerican Mahjong Open Play at Koelbel Library
Arapahoe Libraries
Koelbel Library, Meeting Room B · Centennial, CO
Monthly on a Monday, 10am-12pm (next listed: Nov 23 2026). Registration required.
ClassMTWTFSSMahjong for Beginners at Koelbel Library
Arapahoe Libraries
Koelbel Library · Centennial, CO
Four Wednesdays 1-3pm: Oct 21, Oct 28, Nov 4, Nov 18 2026. Full; waitlist.
Castle Rock 1
ClubMTWTFSSGather & Mahj American Mah-jongg Club
Gather & Mahj Co. (Meetup)
DaeGee Korean BBQ Castle Rock · Castle Rock, CO
Tuesdays 6-9pm, weekly through Jan 2027.
Fort Collins 1
ClubMTWTFSSFoCo Mahjong Social Club
Mahjong Social Club (FoCo Mahj)
Fort Collins, CO
Weekly Monday social club in Fort Collins (monthly or single drop-in). Pop-up open play. Lessons in Fort Collins and Loveland.
Highlands Ranch 1
ClassMTWTFSSMahjong 101 and Mahjong 2.0 classes at Olive Juice Beauty Bar
Olive Juice Beauty Bar
Olive Juice Beauty Bar · Highlands Ranch, CO
Mahjong 101 Wed Oct 7 and Wed Oct 21, 5-8pm. Mahjong 2.0 Sun Oct 11 and Thu Oct 29, 5-7:30pm (2026).
Louisville 1
InstructorColorado Mah Jongg
Relish Food Hall (frequent venue) · Louisville, CO
3-hour Learn to Play bootcamps (e.g. Oct 23, 5:30-8:30pm), strategy classes, fall leagues, open play happy hours at Relish Food Hall, tournament prep, and private and group coaching.
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