Other Routes in 7.2.1 - Birthday Rocks Rock Climbing
- Birthday Crack
- Great White Hope
- Caesarian West Face
- Birthday Boulder
- Caesarian Tower
- Mitzvah
- Birthday Chimney
- Special Delivery
- Flux Capacitor Crack
- The Phallacy of Symbolism
- Unknown2
- Doublemint
- Flying Delorean
- Peal Off
- Chester's Chimney
- Big Jim
- Bowing to the Undercling
- Horner's Corner
- The Right Twin
- Unknown
The Left Twin
2.2/4
A Trad and Top Rope route rated 5.7 5a 15 V+ 13 MVS 4b
Almost certainly no slab features
Almost certainly no chimney features
Almost certainly overhang features
Almost certainly crack features
Routes similar to The Left Twin
- The Bone
- Lost Face Overhangs I & II
- Jolly Roger
- Dippy Diagonal
- Wiessner Face
- Lost Face
- Charybdis
- Lost Face Finger Crack
- Peter's Project
- Queen's Throne
- Watermarks
- Birch Tree Crack
- Lost Temple Corner
- Via Apia
- Orgasm
- Double Overhang
- Angel's Crack
- Birthday Crack
- Curving Crack
- The Great Crack
- False Alarm Jam
- Coatimundi Crack
- Berkeley
- The Bone Variation
- Queen's Face
- King's Throne
- Agnostic
- Noah Vail
- The Rack
- Pigeon Roof
- Full Stop
- Bloodshed
- Half Moon
- Snedegar's Nose
- Cracking Up
- Foreplay
- Swillbillies
- PushMi, Pull-Yu
- The Grotto
- False Perspective
- Stuck Knee
- Faith, Hope, and Charity
- Tomb of the Unknown
- American Beauty Crack
- Effie
- The Bishop
- Vacillation
- North Side
- The Bastard Chimney
- Mary Jane
- Hypoglycemia
- Impossible Crack
- Ramses II
- No Exit
- The Spine
- Pork Loin
- Moon Face
- Three Wishes
- Jacob's Ladder
- Lechery
- Darkest Hour
- B-minor Mass
- Working on the Railroad
- The Horse
- The Pike
- Pork Loin variation
- Family Jewels
- Tibia Crack
- Fritz
- Mousehole
- Flotsam and Jetsam
- Dippy Diagonal Variation Right (AKA the Dipster)
- Puffs Plus
- That's it
- Bill
- Iceberg
- Cedar Tree Wall
- Flying Indian
- Creamy Caesar
- Missing Crack
- Sewing Machine
- Lower Diagonal
- Annie's Overhang
- Verticulture
- Missing Piece
- Ramses I
- No-Deception
- Deception
- Pitchfork Face
- Annie's 8
- Count your fingers
- Faith, Hope, and Tension
- Dead Tree Crack
- Lost in the Woods (Unnamed Route 5.7)
- Wiessner Chimney
- Stinger
- Cracker Jack
- A Point of Balance
- Throne Room
- Fun One
- Mitzvah
- Got You
- Barndoor
- Smoke Shelf
- Mother Smucker's Jam
- Primak's Surprise
- Sweat Box
- Phat
- Minuet
- No Vacancy
- Caesarian Tower
- This is a Six?
- Turret
- Pine Tree Dihedral
- The Pillar
- The Chopper
- Rococo Variations
- Squirrel's Hole
- Archway Cookie
- Cracker Barrel
- Rock Garden
- Cliff's Coitus
- Out of the Closet
- Dead Tree Corner
- Pine Sap
- Jam Crack
- Everleigh Club Crack
- Foil
- Hissing Vulture
- Bacon Breath
- Cherry Blossom
- The Rattle
- Special K
- Finger Fun
- Tree and a Half Men
- The Layback
- Puzzlement
- Left Face of TM Overhang
- Stettner's Overhang
- Der Schnozzel
- Jan's Lament
- Birthday Chimney
- Chlorosis
- St. Peter Says "YES!"
- Tang Shwang
- Darkness At Noon
- Sunken Pillar
- Coronary
- 6.63 Smoots
- Second Day Air
- Smoke Hole
- Michael's Project
- Delight
- Box top
- Varmit
- Sasquatch
- Mickey Mouse
- Fall Is Near
- Schizophrenia
- No Trouble
- The Pretzel
- Heroes Fright
- Turk's Head
- Seventh Buttress 1
- Chez's Chimney variation
- Crack 1.3
- Budget
- Pullman Car
- Balanced Climb
- Foliage
- The Wasp
- Dirty Little Secret
- Bread and Jam
- New Box
- Surehand, Surehand
- Equinox
- S Darko
- Bill's Beta
- Phooey
- Just Missed the Fun
- Jerry
- Arm Symphony
- The Pawn
- Get Around
- Three Step
- West Siam
- Dove Tail
- Claustrophilia
- Anemic Ladder
- Escalation
- Out of the Woods
- Catalepsy
- Northwest Crack/Arete
- Beginner's Delight
- The Fakir
- Flux Capacitor Crack
- Special Delivery
- Peanut Butter
- Wolf Dog
- Elephant Crack
- The Trunk
- Crusty Corner
- Rusty Crack
- Axeman
- Cracked Diamond
- Ho-Chunk
- The McCord
- Tomahawk Crack
- The Pillow
- Thin Fingers
- Coffee Break
- North Country Corner
- The Ungotten
- Avis
- Free Mileage
- Archeopteryx
- Blue Slab
- Earnings Summary
- Kenosis
- Microwave Dinner
- No Rest For the Wicked
- Red Slab
- Seventh Buttress 4
- Seventh Buttress 5
- Seventh Buttress 6
- West Michigan
- The Crypt Variation
- Dances with FIBs
- End of the Line
- Jungle Gym East Face
- Three Kings
- Hard Sell
- Unnamed Crack in recess
- Illusion Chimney
- Modern Life is Rubbish
- Squeeze Play
- Turkey Tail
- Vulture Nest
- Catch Up
- Squirm
- Surely Temple
- Pitchfork Chimney
- Poison Ivy
- Body Snatcher Variation
- Hallucination
- Walpurgisnacht
- Bloody Shin
- Butterfly McQueen
- Sleestak
- Disinclination
- Great Mass in C Minor
- 6 foot, 7 foot, 8 foot, Ledge!
- Red Pulpit
- Unnamed Short route
- Hole-In-The-Wall
- Cherry Pit
- Skinny
- Squirrel's Nest
- Railroad Offwidth (aka Birch Tree Dihedral)
- Pantry Shelf
- Root Cellar
- South Corner
- Wobbly Block
- Colostomy
- Minnie Mum Variation
- Two Overhangs
- Whitney's Crack
- Upper Left Crack
- Unknown 5
- To the Hilt
- Unknown 6
- Unknown 7
- Greatness
- Moon Rock
- May Fly
- Waltzing Mary
- The Clamshell
- Heavenly Mist
- Bowlers Grip
- Skillet Dinner
- Bootlegger
- No Holds Barred
- Unnamed 5.7
- Hiker Envy
- Poor Propects
- A Cheval
- Life of Jam
- Paul1
- Disappearing Ledge
- Waterfall Crack
- Lumby Ridge (pitch 3)
- Big Jim
- Joseph
- The Uncrackola
- Thick as a Brick
- Jamboree
- Solar Eclipse
- Blue Nose
- Roy G. Biv Crack
- Monolith Chimney
- Alexander's band
- Sleazy Times
- Scavenger of Human Sorrow
- Tree Tower
- Overlooked Corner
- High Draft
- Horse with No Name
- Happy Trails
- Curved Wall
- Peal Off
- Minnie Mouse
- Flying Delorean
- Chester's Chimney
- Fallen Birch
- Chez's Chimney
- Moderation
- Urve's Folly
- The Blade
- Dear Ann
- The Outhouse
- Unnamed 5.7
- Arm Overture
- Hong Kong
- Greatness Chimney
- North Chimney
- Left Hanging
- Don't Call Me Shirley
- Furious Funnel
- Broken Face
- Must Aard
- Heinz 67 Cracks
- Boogie Board
- Barefoot Bomber
- Above Board
- 20 Second Crack
- Elimination
- Gyno Cracks
- Vulture Terrace
- Crack a Beer
- Unnamed 5.8
- Fois Gros
- Big Toe Right
- Unknown
- Son of a Bush
- Northeast Ridge
- Land's End
- The Ramp (a.k.a. "The Slab")
- Flaky Tower
- No Flakes
- Ramsay's Ride
- Green Slab
- Obduracy
- Oofdah Right
- Seventh Buttress 3
- Ledge Jam Crack
- Loco Head
- King's Corner
- Innocence
- Overlooked
- Cookie Cutter
- Clout Buster
- Cat Walk
- Cat Fight
- Jam Crack
- Kranz
- Insect Parts
- The Corner
- Deep inside corner
- Rent-a-Wreck
- Dirty Flick
- The Right Twin
- Amusing Bruce
- Corner Crack Face
- Cerebration
- Moby Dick
- Pay Off
- Seventh Buttress 2
- Better When Dry
- Charlie Brown
- Monochrome
- Chockstone Chimney
- Ramsay's Ramp
- Hitch Hike
- Pinko
- Basket
- Horticulture
- Ladybug Layback
- Stettner 7
- Half Crack
- Right of the Eye
- Decadence
- The Niche
- Easy Overhang
- The Beginning
- Broken Foot
- The Mezzanine
- Chimney's End
- Pussy Galore's Flying Circus
- Spur
- Friendly Banter
- Spiderfighter
- The Mongo Mantle
- Handle With Care
- Two Flakes
- Knobby Pillar
- Second Balcony
- Sofa-Isticated-Lady
- Nine-Minus
- Cemetery Wall
- Ship's Prow
- Treachery
- F4 Ledges
- Hare-Brained Scheme
- Death and Transfiguration
- Unknown
- The Dark Corner
- Paul's Variation
- Left Turkey Foot
- Invitation
- Paul
- Indecision
- Gravel Pit
- Jolly Gendarme
- Inside Corner left of Transcendental
- 5.7 Right of Two Cracks
- Whamus
- Smoooth Bush
- Dyspepsia
- Pantry Cracks
- Jack of Spades
- Double Jeopardy
- Right Turkey Foot
- October First
- Girls Named Sue