Updated
Parks, gardens, and outdoor admissions. 7 sources, linked on each listing.
Riverside · parkrun · 5000 Tequesquite Ave, Riverside, CA 92506 · Parks & Outdoors
parkrun page: a free, fun, and friendly weekly 5k at Ryan Bonaminio Park at the foot of Mt. Rubidoux. Nothing — it's free.
When: Every Saturday at 7:30 a.m.
Source: parkrunLast verified:
Morongo Valley area (San Bernardino County) · Big Morongo Canyon Preserve · Morongo Valley, north of Desert Hot Springs · Parks & Outdoors
Free admission to the preserve with trails, wildlife viewing, and picnic areas. Donations welcomed by Friends of Big Morongo.
When: 7:30 a.m. to dusk, open daily
Listed on San Bernardino County Parks official siteLast verified:
Riverside · City of Riverside Parks · 2601 Fairmount Blvd, Riverside, CA 92501 · Parks & Outdoors
Large public park with lake, rose garden, picnic areas, and (seasonal) splash pad. Free entry and use of grounds.
When: Open daily
Listed on Local free activities roundup citing public park accessLast verified:
Riverside · City of Riverside Parks · Mount Rubidoux Park, Riverside, CA · Parks & Outdoors
Free public park with hiking trails and panoramic city views. No admission fee.
When: Open daily (sunrise to sunset typical for parks)
Listed on Local free activities roundup citing public park accessLast verified:
Oak Glen · The Wildlands Conservancy · 39611 Oak Glen Road, Building 10, Oak Glen, CA 92399 · Parks & Outdoors
Preserve page: admission free. Programs are offered free of charge. May close for winter hazards.
When: 8 a.m.–4:30 p.m. November–March; 8 a.m.–5:30 p.m. April–October
Source: The Wildlands ConservancyLast verified:
Rancho Cucamonga · City of Rancho Cucamonga · Parks & Outdoors
City page: the Pacific Electric Trail is a free public access trail for walking, cycling, and equestrian use. It runs through Rancho Cucamonga toward Claremont and Rialto.
When: Not stated
Source: City of Rancho CucamongaLast verified:
Riverside / San Bernardino area · Multi-county trail system · Along the Santa Ana River (multiple access points) · Parks & Outdoors
Multi-use trail complex free to the public for walking, cycling, and recreation.
When: Sunrise to sunset, open daily
Listed on San Bernardino County Parks official siteLast verified:
San Bernardino · San Bernardino County Regional Parks · South Waterman Ave, San Bernardino, CA 92408 · Parks & Outdoors
County parks page quotes: this trail creates new opportunities for families to enjoy the outdoors at no cost. Entrance is noted behind the County Hall of Records at 222 W. Hospitality Lane.
When: Hours not listed on the page
Source: San Bernardino County Regional ParksLast verified:
Riverside · Ameal Moore Nature Center / Sycamore Canyon Wilderness Park · 400 Central Ave, Riverside, CA 92507 · Parks & Outdoors
FAQ: entry to the Ameal Moore Nature Center is completely free, and the Sycamore Canyon Wilderness Park and parking lot are also free.
When: Park opens 30 minutes before sunrise and closes 30 minutes after sunset; center Thu–Fri 1–5 p.m. and Sat–Sun 9 a.m.–5 p.m.
Listed on My Sycamore CanyonLast verified: