Sunnyslope is an unincorporated community and census-designated place (CDP) in Chelan County, Washington, United States.

U.S. Route 2 and U.S. Route 97 pass through the southern part of Sunnyslope in the Wenatchee River valley, crossing the Columbia River into Douglas County via the Richard Odabashian Bridge.

[4] The area south of US 2/97 near the confluence but above the Wenatchee River and Sleepy Hollow areas are commonly known and signed as "Olds Station", which is referenced in the former name of the Richard Odabashian Bridge which carries US 2/97 and the Apple Capital Recreation Loop Trail over the Columbia River.

[5] Sunnyslope receives most public services from Chelan County.

Utility services including electricity, water, and fiber optic communication lines are provided by the Chelan County Public Utility District Number 1.

Link Transit serves Sunnyslope through a transfer station at the Food Pavilion Plaza at Easy Street and US 2/97, and a transit route along Easy Street.

13.4% of all households were made up of individuals, and 6.0% had someone living alone who was 65 years of age or older.