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1,430 ft
Distance
113 ft
Climb
-91 ft
Descent
00:05:04
Avg time
21 ft
Altitude change
203 ft
Altitude min
313 ft
Altitude max
203 ft
Altitude start
226 ft
Altitude end
1.5%
Grade
-60.8%
Grade max
34.8%
Grade min
837 ft
Distance climb
499 ft
Distance down
92 ft
Distance flat
00:05:04
Avg time
Black Marlin Details
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Activities
- Mountain Bike
- E-Bike
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Riding AreaSmithfield
Cairns -
Difficulty Rating
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Local Popularity70 in Mountain Biking [+]
- 75 in E-Biking
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Global Ranking
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Trail TypeSingletrack
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Bike TypeAM, XC
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DirectionOne Direction[+]Popular Direction Shown
- One Direction for E-Biking
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Climb DifficultyBlack Diamond
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Physical RatingHard
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Dogs AllowedYes
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eBike AllowedYes up to Class 1
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TTFs on TrailDrop, Ladder Bridge, Rock Garden
Black Marlin is one of the original hand cut Smithfield Trails. Known for it's technical ascent up to an old benchline from quarry days. The descent starts with a steep bermed corner into plenty of roots, rocks and line choices to make your way down. Links with Blue Marlin to exit onto Downhill Access Road.
Local Trail Association
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Please consider joining or donating to the local trail association to supportDonate to earn trail karma!
trail development & maintenance.
Traditionally Indigenous Territory
Recent Activity on Trail
Past Week
- 1 rides
- 5 miles average
6 Months
- 6 rides
- 6 miles avg distance
All
- 144 rides
- Last: Jun 16, 2026
| c1 | c2 | c3 | c4 |
|---|---|---|---|
January | February | March | April |
May | June | July | August |
September | October | November | December |
Black Marlin Trail Reports
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Trail Conditions
- Unknown
- Snow Groomed
- Snow Packed
- Snow Covered
- Snow Cover Partial
- Freeze/thaw Cycle
- Icy
- Prevalent Mud
- Wet
- Variable
- Ideal
- Dry
- Very Dry
Trail Flow (Ridden Direction)
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The colour categories are based on what percentage of riders are riding a trail in its intended direction.
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- > 6 months
Trail Ridden Direction
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- Both Directions
- Uphill Primary
- Uphill Only
- One Direction
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BC Backroad Status
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Directions to black-marlin trailhead
(-16.813690, 145.681270)
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Nearby Trails
- Link Trail 0 ft
- Blue Marlin 0 ft
- Scrub Turkey 381 ft
- Echidna 476 ft
- Downhill Access 558 ft
- By brenthillier
NSMBA TRAILFORKS & contributors - #53027 - 1,506 views
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Frequently Asked Questions About Black Marlin
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Where is Black Marlin located?
Black Marlin is located in Smithfield, Cairns, Australia. It is part of the Smithfield trail network. The trailhead is located at coordinates -16.81369, 145.68127.
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How hard is Black Marlin?
Black Marlin is rated as Black Diamond difficulty. The physical rating is Hard. The average grade is 1.5%. The climb difficulty is rated Black Diamond.
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What is the elevation gain for Black Marlin?
Black Marlin has 113 ft of elevation gain. The trail has 91 ft of elevation descent. The elevation ranges from 203 ft to 313 ft.
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Is Black Marlin a point to point trail?
Yes, Black Marlin is a point to point trail. The direction is One Direction. The trail type is singletrack.
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