Jackfork
- 4.6 mi
- round trip
- 1,493 ft
- climb
- Singletrack
- surface
- Out and back
- route
- Mar–May, Oct–Nov
- best months
Jackfork is a mountain biking route in Pinnacle Mountain State Park in Arkansas, managed by State Park and Recreation. The out-and-back trail is about 9 miles long, with a one-way climb of roughly 450 feet from a starting elevation of about 525 feet to a high point of about 530 feet. The steepest stretch comes at about 2 miles in, with a grade of about 12 percent. Spring and fall are the most comfortable times to ride. Typical averages from a nearby weather station in Marche, about 7 miles away, show April highs around 73°F and October highs around 75°F, while July averages climb to about 93°F. Several other mountain biking routes sit close by, including Jackfork Connector and Upheaval, each about 0.2 miles away, and Centipede and Coachwhip, each about 0.3 miles away. For climbing, Cliffbreak (aka West Pinn) is about 2.9 miles off.
Best time to go · Mar–May, Oct–Nov
Best time to visit Jackfork
Best months: March–May and October–November. Best months have typical highs of 55–85 °F, lows of 30 °F or warmer (32 °F where the station doesn't record snow), at most one snowy day and no more than 12 wet days.
Jan
50° / 27°
Feb
55° / 30°
Mar
64° / 38°
Apr
73° / 46°
May
81° / 57°
Jun
89° / 65°
Jul
93° / 69°
Aug
92° / 67°
Sep
86° / 59°
Oct
75° / 47°
Nov
62° / 36°
Dec
53° / 30°
Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Marche, AR, 7 mi away at 272 ft. This station doesn't record snowfall. Source: NOAA NCEI U.S. Climate Normals 1991–2020.
Keep exploring — more rides worth the drive
RIDE
Jackfork Connector
Next door
0.40-mile moderate singletrack with 252 ft gain in Arkansas
RIDE
Upheaval
Next door
0.30-mile easy singletrack out-and-back in Arkansas with 121 ft gain.
RIDE
Carnasaw
Next door
Carnasaw is a 0.37-mile Black Diamond singletrack in Arkansas with 14 ft of elevation gain.
RIDE
Chaotic Zone
Next door
0.45-mile moderate singletrack in Arkansas with 87 ft elevation gain.
RIDE
Centipede
Next door
0.57-mile easy singletrack out-and-back in Arkansas with 278 ft gain.
RIDE
Glade Runner
~1 min drive
0.40-mile hard singletrack out-and-back in Arkansas with 298 ft gain.
RIDE
MIddle Moutain Run
Next door
0.46-mile out-and-back trail in Arkansas with 28 ft elevation gain.
RIDE
Coachwhip
Next door
2.26-mile easy singletrack in Arkansas with 601 ft gain.
RIDE
Dynamite
~1 min drive
1.40-mile out-and-back singletrack in Arkansas with 391 ft elevation gain.
RIDE
Armadillo Run
Next door
0.51-mile out-and-back singletrack in Arkansas with 27 ft elevation gain.
Map and trail data © OpenStreetMap contributors
