Connecting rain gutters to a steep, uphill slope?

Hi:

I'd love to hear what people have done in similar situations...

A 30-degree slope runs along the uphill side of our property in Southern California — photos attached. Too steep for swales. I want to plant a permaculture forest on this hillside. Soil is heavy clay. It's too steep to comfortably walk on as it is now.

I've had English ivy cut down to the ground and covered in (evil) black plastic for a couple years in hopes of killing it.

When I have gutters installed on the roof, I'm wondering if there's a workable way to get rainwater to this slope.

I've had a few ideas: net and pan earthworks; vetiver terraces; blue barrels strapped to well-anchored posts; built-in-place ferro-cement retaining walls for terracing and water storage.

Thanks for any feedback.

Marilyn

Could you attach the photos instead of having them as a download, they take a minute each to download.
From -https://www.quailsprings.org/how-to-drought-proof-your-home/
" Net and Pan Systems
On steep hills of more than twenty degrees slope, another earthworks approach will be better suited. Called “Net-and-Pan” This earthworks system funnels rain and directs it to each fruit tree basin. Upslope from each hillside fruit tree, we create a diagonal one foot by one foot french drain. Two of these French Drains direct rain water into the fruit tree basin. This now widens catchment area to perhaps ten feet that now directs to the trees. This creates more water harvest to upslope crops, while allowing less to streak downslope and cause erosion. By staggering these Net-and-Pan systems downslope, all parts of the hill can become catchments and directed into these basins."
I think this is the best system for your case, and I have seen and used many.
Could you install a large tall tank on the pavement filled from the new gutter and pump water to the top of the slope for dispersal within the drain system?

Thanks for responses.

I apologize for the download time on photos. I will try again with smaller versions.

I was hoping to avoid tanks and pumps, but that may well be the best option. Thanks!

I had not heard of guzzlers. Will look into them further. Thanks!

What is the white pipe seen in the 2nd picture?

Have you thought about attaching a soaker hose to your downspouts?

I am not sure if either of the might work for you:

https://www.ehow.com/how_5873683_connect-water-hose-gutter.html

https://www.fbfs.com/learning-center/how-to-install-a-rain-barrel-and-soaker-system

Difficult to see the height and distances through pictures but to me the edge of the roof where the gutter would be attached looks higher than the top of your slope. Possibly extend the downspout from the roof to the top of your slopes. Probably would need to attach the downspout(s) to a fence or trellis along the length of the downspout so the it would be supported and not accidentally crushed/knocked over. Then at the end of the downspout some sort of drainage that spread it along the hill.

Thanks for the links. I've read with interest.

The white pvc pipe in the second photo is part of the hillside's existing sprinkler system. I have imagined converting it to drip or soaker hoses to avoid the erosion and wasted water of sprinklers, in future. I posted here because I'd like to be able to store and use rainwater as much as possible.

The level of the gutters are a couple feet below the uppermost level of the hillside.

Thanks again!
Marilyn