thumb|Columbia River and Wenatchee from near Ohme Gardens.

Sunnyslope is an unincorporated community and census-designated place (CDP) in Chelan County, Washington, United States. It is part of the Wenatchee–East Wenatchee Metropolitan Statistical Area. The population was 4,041 at the 2020 census, up from 3,252 at the 2010 census.

By per capita income, Sunnyslope ranks 53rd of 522 areas in the state of Washington to be ranked. It is also the highest rank achieved in Chelan County.

Geography

Sunnyslope is located in southern Chelan County at the confluence of the Columbia River to the east and the Wenatchee River to the south. The city limits of Wenatchee are directly to the south of the river.

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. State Route 285 leads south from US 2/97 into Wenatchee.

According to the United States Census Bureau, the Sunnyslope CDP has a total area of , of which is land and , or 4.85%, is water.

The headquarters of the Okanogan–Wenatchee National Forest, administered by the United States Forest Service, is located in Sunnyslope.

Ohme Gardens is an alpine garden located in Sunnyslope, on a hill overlooking the community.

Olds Station

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. Olds Station was built by the Great Northern Railroad in 1914, so named because it was built on land donated from the Olds Company, a fruit orchard business run by Alfred J. Olds and his three sons.

Public services

Sunnyslope receives most public services from Chelan County. It is under the jurisdiction of Chelan county sheriff's department, and is headquarters seat of Chelan County fire district 1. Utility services including electricity, water, and fiber optic communication lines are provided by the Chelan County Public Utility District Number 1.

Sunnyslope is served by Wenatchee School District #246; elementary students attend Sunnyslope Elementary School on School Street at Peters Street West. Secondary students attend Foothills Middle School and then Wenatchee High School.

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.

Demographics

As of the census