Open to
What you'll see
Tick several and you'll get trails matching any of
them. An Open to choice narrows that further — so Bikes plus
Lake means a lakeside trail that allows bikes.
Only a small fraction of trails have told us either way yet, so this
narrows the list a long way — it doesn't mean the rest ban dogs.
Shape
Most trails have no shape recorded; those always show.
145,496 trails · page 69 of 5820
- ★ Ofu Beach Walk2 mi · Out-and-Back · Easy · 20 ft up · 1 hrNational Park of American Samoa · AS
- ★ Ohio and Erie Canal Towpath Trail20 mi · Point-to-Point · Easy · 100 ft up · 10 hrCuyahoga Valley National Park · Peninsula, OH
- ★ Oil Creek State Park Hiking Trails48.5 mi · Strenuous · 6,146 ft up · 27 hr 15 minOil Creek State Park · Pleasantville, PA
- ★ Oil Creek State Park Multi-Use Trail9.2 mi · Hard · 149 ft up · 4 hr 45 minOil Creek State Park · Pleasantville, PA
- ★ Old Baldy2.2 mi · Easy · 1,647 ft up · 1 hrCoronado National Forest · AZ
- ★ Old Baldy3.6 mi · Moderate · 3,073 ft up · 1 hr 45 minMt. Wrightson Wilderness · AZ
- ★ Old Erie Canal State Historic Park11.7 mi · Strenuous · 123 ft up · 5 hr 45 minRome Sand Plains · Rome, NY
- ★ Old Erie Canalway17.5 mi · Strenuous · 79 ft up · 8 hr 45 minOld Erie Canal State Historic Park · NY
- ★ Old Erie Canalway1.0 mi · Easy · Flat · 30 minGreen Lakes State Park · Fayetteville, NY
- ★ Old Erie Canalway2.0 mi · Easy · Flat · 1 hrSchapiro-Vernon · NY
- ★ Old Hollow Trail0.4 mi · Easy · Flat · 15 minLee Metcalf National Wildlife Refuge · MT
- ★ Old Jackson Road1.8 mi · Easy · 61 ft up · 1 hrGreat Gulf Wilderness · NH
- ★ Old Oak Trail2.4 mi · Easy · 41 ft up · 1 hr 15 minLake Metigoshe State Park · Bottineau, ND
- ★ Old Rag Circuit9.4 mi · Loop · Strenuous · 2,415 ft up · 7 hr 30 minShenandoah National Park · Stanley, VA
- ★ Old Skool0.6 mi · Easy · 22 ft up · 15 minChewacla State Park · Auburn, AL
- ★ Old Veteran Trail0.1 mi · Easy · 12 ft up · 15 minPoint Lobos State Reserve · Carmel-by-the-Sea, CA
- ★ Old Wagon Trail (PCT)4.9 mi · Moderate · 1,175 ft up · 2 hr 30 minStephen Mather Wilderness · WA
- ★ Onahu Creek2.8 mi · Moderate · 827 ft up · 1 hr 45 minRocky Mountain National Park · Estes Park, CO
- ★ Ooh Aah Point1.8 mi · Out-and-Back · Moderate · 600 ft up · 1 hr 15 minGrand Canyon National Park · Grand Canyon Village, AZ
- ★ Open Fork6.3 mi · Hard · 1,103 ft up · 3 hr 15 minBob Marshall Wilderness · MT
- ★ Ophir3.5 mi · Moderate · 406 ft up · 1 hr 45 minCoronado National Forest · AZ
- ★ Oracle Ridge12.2 mi · Strenuous · 1,278 ft up · 6 hrCoronado National Forest · AZ
- ★ Ore Hill1.7 mi · Easy · 24 ft up · 1 hrWhite Mountain National Forest · NH
- ★ Osborne Bend Loop6.6 mi · Loop · Hard · 298 ft up · 3 hr 15 minClifty Wilderness · KY
- ★ Osborne Bend Loop0.5 mi · Loop · Easy · 214 ft up · 15 minRed, Kentucky Wild and Scenic River · KY
Sources: USGS National Map / PAD-US, the National Park Service, state agencies, and
© OpenStreetMap contributors
(ODbL). Access and conditions change — check with the managing agency before you go.