O Leary Mountain
- 18.0 mi
- round trip
- 5,390 ft
- climb
- 5,110 ft
- high point
- Out and back
- route
- May–Oct
- best months
Is O Leary Mountain open right now?
Closure in the area
There's a closure order in Willamette National Forest. It doesn't name O Leary Mountain, so check the source for the area it covers.
Cedar Creek Fire Closure
Agency closure covering Willamette National Forest · Order 06-18-10-26-04 · USFS · Willamette National Forest
FIRE CLOSURES: Current wildfire closures on the Willamette National Forest
Agency alert covering Willamette National Forest · USFS · Willamette National Forest
As of · Source: USFS · Willamette National Forest. Agencies don't list every closure — check before you go.
O Leary Mountain is a hard hike in the McKenzie River Ranger District of Oregon's Willamette National Forest, managed by the Forest Service. The route is an out-and-back of about 18 miles, with a total elevation gain of 5,390 feet and a high point of 5,110 feet. The climb is front-loaded, with the steepest stretch at about 0.7 miles in, where the grade reaches 39 percent. The trail is natural-surfaced and allows bikes. The trip is estimated to take about 8.5 hours, and the route is open year-round. Summer is the most comfortable time to go. Typical averages from a nearby weather station at Santiam Junction, which sits about 1,360 feet lower than the high point, show July and August highs around 76°F with lows near 42°F. Winter is cold, with January highs around 38°F and lows near 24°F. The Echo hike starts just 0.2 miles away, and East Fork and Castle Rock are both within about 2 miles. For camping, Delta campground is about 3.5 miles off.
Local outfitters
- Patio RV Park4 mi away
- Horse Creek Lodge & Outfitters5 mi away
Not on Roamze yet. Their page has how to reach them.
Best time to go · May–Oct
Best time to visit O Leary Mountain
Best months: May–October. 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
38° / 24°
Feb
41° / 24°
Mar
44° / 26°
Apr
49° / 29°
May
58° / 35°
Jun
65° / 38°
Jul
76° / 42°
Aug
76° / 42°
Sep
69° / 39°
Oct
56° / 33°
Nov
42° / 28°
Dec
36° / 23°
Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Santiam Junction, OR, 25.5 mi away at 3,750 ft. The station sits about 1,400 ft lower than this place, so expect it a little cooler here. This station doesn't record snowfall. Source: NOAA NCEI U.S. Climate Normals 1991–2020.
Keep exploring — more trails worth the drive
Echo
Next door
5.20-mile out-and-back trail in Oregon with 1,443 ft gain.
Photo: Forest Service Pacific Northwest Region, Public Domain Mark (via Flickr)Castle Rock
~3 min drive
9.00-mile out-and-back trail in Oregon with 1,495 ft gain.
Lowder Mountain Trail #3329
~3 min drive
19.84-mile out-and-back trail in Oregon with 6,757 ft elevation gain and loss.
Terwilliger Hot Springs Trail
~6 min drive
0.45-mile out-and-back hike to Terwilliger Hot Springs in Oregon.
Walker Creek
~4 min drive
4.00-mile out-and-back trail in Oregon with 2,105 ft gain
Photo: theslowlane, CC BY 2.0 (via Flickr)Frissel
~10 min drive
8.40-mile out-and-back trail in Oregon with 3,882 ft elevation gain.
HIKE
WALKER CREEK
~5 min drive
8.7-mile out-and-back trail in Oregon with 5,675 ft elevation gain and loss.
Delta Old Growth Nature Trail #3317
~6 min drive
0.47-mile loop trail in Oregon with 135 ft gain and 170 ft loss.
HIKE
Horsepasture Mtn
~11 min drive
2.60-mile out-and-back trail in Oregon with 1,369 ft elevation gain.
Yankee Mountain Trail #3318
~10 min drive
2.48-mile out-and-back hike with 3,675 ft gain in Oregon
Route details
- Distance
- 18.0 mi round trip
- Climbing
- About 5,390 ft
- Summit
- 5,000 ft
- Difficulty
- Hard
- Time
- About 8 hours
Season
Season: Year-round.
Questions about this route
How long is the O Leary Mountain on Macduff Mountain?
About 18.0 mi round trip.
How much elevation gain is on the O Leary Mountain?
About 5,390 ft of climbing round trip.
How hard is the O Leary Mountain?
It is rated hard.
How long does the O Leary Mountain take?
About 8 hours round trip.
When is the best time for the O Leary Mountain?
Year-round.
Conditions and forecast on Macduff Mountain
Daily highs and lows, wind and the chance of precipitation at the summit and route start for the next 7 days, from the Open-Meteo model.