Bubble Rock (Bubbles Divide) is a 1.5 mi trail with 500 ft of climbing — about 45m of moving time before you stop for anything. Leashed dogs are welcome, and we rate it comfortable from age 7. About 70% of it is shaded, and no refill point is recorded on the route.
Underfoot & overhead forest
1.5 mi and 500 ft of climbing work out to 45m of moving time — before you stop for anything. No refill is recorded on the route — you carry all of it. Informational only, not medical advice.
Get the fall refuel plan →NAISMITH · CDC · ACSM · how these numbers are worked out
In July, Acadia National Park runs around 79°F at the main visitor elevation. With no refill recorded on the route, everything you drink starts in your pack.
63°F · Sunny · wind 2 to 7 mph
NOAA forecast for Acadia National Park — not for this trailhead specificallyStarting Aug 31, a section of Ocean Path will be closed for repairs from a trailhead across from the Otter Point parking lot to the trail's southern terminus.
Live NPS alert for Acadia National ParkThe Saint Sauveur parking area is scheduled to be closed for repairs for one day on Tues Sept 15 to complete essential ditch maintenance.
Live NPS alert for Acadia National ParkAbout 45m of moving time for 1.5 mi and 500 ft of climbing — that is Naismith's planning rule, so it counts walking only, with nothing for photos, lunch or the queue at the top.
Planning figures for that much moving time are 0.4–0.8 L, cool day to hot. No refill point is recorded on the route, so you carry all of it. Informational only, not medical advice.
Yes — leashed dogs are allowed on Bubble Rock (Bubbles Divide). Leashes (6 ft max) are required everywhere in Acadia National Park.
We rate it comfortable from age 7. It is not a stroller route. That rating is our own hand-check of length, footing and exposure, not an official NPS grade.
About 70% of the route is shaded, and Acadia National Park peaks around 79°F in its hottest month. The less shade a route has, the more of it you want behind you before midday.
© 2026 StayNear National Parks · About · Methodology · Privacy · Terms · Affiliate disclosure · Refunds