Patapsco Valley State Park · Baltimore County, MD

Avalon Area MTB Network

The Avalon/Orange Grove singletrack network — Patapsco's best public-land MTB. Loops from 5 to 15+ miles; the Avalon Super Loop is the named ride locals use. Built and maintained by MORE (Mid-Atlantic Off-Road Enthusiasts). The adjacent Rockburn Branch SP, on the Howard County side, has its own connecting MTB trails.

Live · updated Apr 26, 10:47 PM ET

Today

Great day for mountain biking.

Primary activity: hiking

82 /100

Great

Trail: prime AQI 34

Conditions

Air temp

48°F

Clear

Wind

3 to 7 mph

Rain

Last 48h: 0.00″

Trail

prime

dirt surface

Sunset

7:55 PM

1268 min daylight left

Moon

Waxing Gibbous

76% illuminated

Air quality

AQI 34

O3 · Good

Score by activity

Hiking

Ideal 48–75°F

78/100

Great day for hiking.

Trail running

Ideal 42–65°F

79/100

Great day for trail running.

Mountain biking

Ideal 45–78°F

82/100

Great day for mountain biking.

Score breakdown

✓ 48°F air — Right in mountain biking's ideal range
✓ AQI 34 — Clean air
✓ Trail: prime — No meaningful rain in the last 48 hours. Trail surface is dry and tacky — prime traction.

Trail facts

Distance: 12 mi round-trip
Elevation gain: 1200 ft
Surface: dirt
Difficulty: moderate
Typical crowds: heavy
Dogs: Leash required

Trailhead

Parking

Trailhead lot · day-use fee.

Facilities

Bathrooms , drinking water. Service fee at Avalon Area gate in season.

Coordinates

39.2467, -76.7236 — Baltimore County, MD.

Park

Part of Patapsco Valley State Park (official site →).

Notes

Honor mud closures — tire ruts cost the trail crew months to repair. Check Patapsco status before riding after rain.